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PACOP > Blue Pacop > Flashcards

Blue Pacop Flashcards

1
Q

The water ion theory of acids and bases is attributed to

A

Arrhenius

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2
Q

his is radioactive particle that weights almost the same as helium atom.

A

Alpha ray

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3
Q

This is a sulfur containing ion that does not react with sulfuric acid?

A

Sulphate

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3
Q

Which of the following properties of matter is dependent on the quantity of matter
present?

A

Volume

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4
Q

An attraction of molecule by a magnetic field doe to completely paired electrons.

A

Diamagnetism

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5
Q

Which of the following substances is pure

A

Table Sugar

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5
Q

An atom with an atomic number of 15 and a mass number of 29 has _____neutrons

A

14

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6
Q

Two electrons occupying the same orbital differ in their?

A

Spin Quantum Number

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7
Q

What particles account for most of the mass of an atom?

A

Proton and Neutron

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8
Q

Which of the following properties of elements decreases from left to right of the
periodic table.

A

Atomic Size

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9
Q

Which of the following processes is a physical change?

A

Distillation of Water

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10
Q

Which of the following statements shows an extensive property?

A

A pinch of sugars weighs 2.3 grams

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11
Q

This refers to the direct transition of the solid state to the vapor state.

A

Sublimation

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12
Q

The reaction of a metal chloride dioxide produces:

A

Metal Chlorate

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13
Q

The amount of heat requited to raise the temperature of one gram of a substance by one degree Celsius

A

Specific Heat

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14
Q

In a family, the topmost element has the smallest:

A

Atomic Size

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15
Q

In reaction , nitrogen changes from the molecular state, N2 to NO2, what happened to nitrogen was:

A

Oxidation

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16
Q

How many moles of sodium are in a mole of sodium thiosulfate?

A

2

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17
Q

hat is the maximum number of electrons that can be accommodated in the p subshell?

A

6

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18
Q

When a metal binds with a non-metal , the metal will most likely

A

Donate Electrons

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19
Q

This states that orbitals of the same energy will be singly filled first with electrons
before they are paired.

A

Hund’s Rule

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20
Q

The formula that gives the actual number of atoms is

A

Molecular Formula

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21
Q

The reaction NiCl2 + Zn ——– Ni + ZnCl2 is a _______type of reaction

A

Single Replacement

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22
Q

Which of the following is a characteristic of the gaseous state?

A

The molecules move past one another

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23
Q

Graphite is an allotrope of the element______.

A

C

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24
Q

This is also known as the salt-forming group of elements

A

Halogens

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25
Q

A substance which can act as either an acid or a base

A

Amphoteric

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26
Q

Most abundant and essential of all elements

A

Oxygen

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27
Q

The ion that gives the Prussian blue precipitate with potassium ferrocyanide

A

Ferric

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28
Q

Evolves gas with fruity odor when treated with ethanol and concentrated hydrochloric

A

Acetate

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29
Q

Rochelle salt which is used as a cathartic and also as sequestering agent is:

A

KNaC4H4O6

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30
Q

The most electronegative element in the periodic table is:

A

F

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31
Q

Which of the ff. scientists is/are the author/s of the periodic law?

A

Meyer and Mendeleev

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32
Q

The state of matter which occur only at temperatures near absolute zero.

A

Bose condensa’es

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33
Q

These are atoms of the same element having the same protons but of different number of neutrons.

A

Isotopes

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34
Q

Produced by filling an orbital by an electron which is not removed from its atom but is held mutually or share by 2 atoms concerned.

A

Covalent

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35
Q

Salts are formed as result of the reaction between

A

Acid and Base

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36
Q

Atoms that are tightly bound together and behave as a single entity

A

Molecule and Ion

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37
Q

This grouping of elements in the periodic table is based on the number of main energy levels filled by the electrons.

A

Family and Group

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38
Q

When an atom accepts an electron it forms a/an

A

Anion

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39
Q

Substances that completely ionize in water are

A

Strong electrolytes

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40
Q

This class of matter exhibits electrical property and optical property known as Tyndall effect.

A

Colloid

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41
Q

The product produced from the reaction of a non-metal oxide and water.

A

Oxy acid

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42
Q

Metals can be coiled in wires because they are

A

Ductile

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43
Q

The empirical formula of diphosphorous pentoxide is:

A

P2O5

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44
Q

Which of the following pairs of atoms will most likely form an ionic bond

A

C and Ca

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45
Q

The percentage of C in sugar ( C12H22O11) if the atomic weight of C=12, H=1 and O=16 is

A

42.1%

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46
Q

This refers to ability of an atom to attract electrons of another atom to its side

A

Electronegativity

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47
Q

Elements in the periodic table are arranged in order of increasing

A

Atomic number

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48
Q

These are electron pair donors

A

Lewis Bases

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49
Q

The law stating that elements combine in a fixed ratio by mass to form compounds.

A

Law of Definite Proportion

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50
Q

Number of valence electrons of the element with atomic number 12

A

2

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51
Q

The sum of atomic masses of all the atoms in a molecule or formula unit

A

Molecular Mass

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52
Q

The chemical reaction between an acid and a base that
produces salt and water

A

Neutralization

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53
Q

A 10-volume hydrogen peroxide solution has a concentration of

A

3% w/v

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54
Q

Acts as a blood coagulant in vivo and anticoagulant in vitro

A

Citrate ion

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55
Q

Synonym for Ammonium Carbonate, NF:

A

Preston Salt

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56
Q

An official gas that is used in pharmaceutically to mask the disagreeable taste of certain
medicines

A

Carbon Dioxide, USP

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57
Q

hese are substances that take/absorb sufficient water from the atmosphere forming a liquid

A

Deliquescent

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58
Q

What is the chemical name of HCIO3?

A

Chloric Acid

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59
Q

Ions found in the extracellular fluid EXCEPT

A

Phosphate

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60
Q

tai-itai Disease is caused by poisoning with____.

A

Cadmium

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61
Q

Reagent that can differentiate carbonate form bicarbonate ion:

A

Phenolphthalein TS

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62
Q

The following are regarded as soft acids according to HSAB concept EXCEPT

A

Al+3

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63
Q

Official base that is pharmaceutical necessity for preparation of Aromatic Ammonia Spirit,
NF:

A

Strong Ammonia Solution, NF

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64
Q

This element is present in insulin

A

Cr

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65
Q

Reagent that can differentiate Potassium Alum Ammonium Alum

A

NaOH t,s

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66
Q

Plaster of Paris is chemically known as:

A

CaSO4 ½ H2O

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67
Q

The precipitating reagent of Analytical Group I cations

A

HCI

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68
Q

Products of sodium chlorate decomposition.

A

NaCl + O2

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69
Q

How many moles of aluminum reacts with sulfuric acid in this reaction
Al + H2SO4 Al2SO4 + H2

A

2

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70
Q

Yellow brass is a combination of

A

Cu and Zn

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71
Q

In this reaction : Al + Fe2O3 —–> Al2O3 + Fe
Which of the substances from the above reaction was reduced?

A

Fe

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72
Q

Also known as the soluble group

A

Alkali metals

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73
Q

Calcium imparts a _______________color to a non-luminous flame.

A

brick red

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74
Q

The smallest particle of matter which enters to a chemical reaction.

A

Atom

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75
Q

Hard water does not lather in with soap. This is due to:

A

Mg and Ca

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76
Q

Pink appearance

A

Cobalt(III)

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77
Q

Chromate in solution is colored:

A

Yellow

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78
Q

Stainless steel is an alloy containing the following elements EXCEPT

A

Pb

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79
Q

Fergon is:

A

Ferrous Gluconate

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80
Q

Mohr’s salt is:

A

Ferrous ammonium sulfate

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81
Q

Chalybeate water contains:

A

Ion

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82
Q

Magnesium is detected using the dyestuff_______ in alkaline solution forming a blue lake

A

p-nitrobenzene resorcinol

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83
Q

Three Bromides Elixir contains bromides of

A

Na, K, NH4

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84
Q

This is chronic lung condition resembling tuberculosis in symptoms:

A

Silicosis

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85
Q

Precipitated sulfur is used as a/an

A

Scabicide

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86
Q

A sulfur containing compound used as an antioxidant is

A

Sulfur Dioxide

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87
Q

Topical Zirconium preparations have been employed:

A

antiperspirants & remove warts

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88
Q

Capsebon is used as

A

Anti Dandruff

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89
Q

Which of the following maybe seen in patients on Bismuth containing products as antacids and antibacterial?

A

Black Stools

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90
Q

Rochelle salt is used as a/an

A

Saline Cathartic

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91
Q

Zinc uranyl acetate, Mg uranyl acetate, cobalt uranyl acetate, forms insoluble salts with

A

Sodium

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92
Q

Borates in turmeric paper is colored

A

Reddish Brown

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93
Q

The first element discovered by means of spectroscope

A

Cesium

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94
Q

Laughing gas is a

A

General Anesthetic

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95
Q

Cream of tartar is

A

potassium bitartrate

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96
Q

Psom salt is synonymous to

A

Magnesium sulfate

97
Q

Compound responsible for the pink color of Calamine USP 24:

A

Ferric oxide

97
Q

The cation/s that cause/s this group of antacid to have constipating property

A

Al+3

98
Q

Elements that are found as diatomic molecules include all except :

A

Sulfur

99
Q

Nessler’s reagent is used to identify

A

NH4+

100
Q

Used for bone imaging

A

Technetium 99 Etidronate

101
Q

A mixture containing 30% ZnS and 70% BaS:

A

Lithopone

102
Q

Protonic concept of acidity:

A

Bronsted-Lowry

103
Q

Phenol is soluble in:

A

Oil and Water

104
Q

The property of a chemical agent to destroy one form of life without harming another.

A

Selective toxicity

105
Q

Anti-bacterial potencies of primary alcohols increase with molecular weight up to____ only.

A

C8

106
Q

What is the general formula give to alkanes

A

CnH2n+2

107
Q

What is the common name of tetrametheylmethane?

A

Neopentane

108
Q

he type of carbon which is NOT present in 2, 2, 3-trimethyl butaneis:

A

Secondary

109
Q

Vinyl is a/an_________radical

A

Alkenyl

110
Q

the general formula CnH2nO can be assigned to a saturated_________.

A

Aldehyde

111
Q

he general formula CnH2nO can be assigned to a saturated_________.

A

Aldehyde

112
Q

Derivative of carboxylic acid which is formed from the removal of one molecule of water in two RCOOH.

A

Acid anhydride

113
Q

Carbinol is used as ending name of _____in the derived system of naming.

A

Alcohols

114
Q

The suffix used in IUPAC system naming of acid halide is:

A

-oyl

115
Q

The molecular formula C7H12 can be a/an

A

Alkyne

116
Q

Which of the following can be considered isomer of n-propanol?

A

2-propanol

117
Q

The following are unsaturated hydrocarbons, EXCEPT:

A

Alkane

118
Q

Which of the following is not true about organic compounds?

A

only produced by living organisms

119
Q

Ethylene oxide, a gaseous sterilizer, belongs to

A

Ether

120
Q

The simplest ketone is:

A

Propanone

121
Q

1, 3-butadiene is classified as:

A

Conjugated

122
Q

Which of the following benzene ring substituents can act as meta directors?

A

-COOH

123
Q

Grignard reagent (RMgX) is not stable in

A

Water

124
Q

Which of the following can be prepared from the dehydration of ethanol?

A

Ethylene

125
Q

The reaction of ROH + RCOOH is called

A

Esterification

126
Q

he following functional groups can be found in Eugenol, EXCEPT:

A

=C=

127
Q

Infant at birth is already capable of what metabolic reaction?

A

Sulfatation

128
Q

Metabolism of the following drugs result in more toxic product, EXCEPT:

A

Phenacetin

129
Q

UDPGA is used in what type of phase II metabolic reaction?

A

Glucuronidation

130
Q

Morphine is an active metabolite of

A

Codeine

131
Q

The following are drugs that can induce auto-induction, EXCEPT

A

Alcohol

132
Q

Metabolism of mercaptopurine is inhibited upon administration of

A

Allopurinol

133
Q

Which of the following pairs is NOT classified as isosteres?

A

O and CH

134
Q

The type of molecular modification applied in the conversion of B-phenylproplonic
acid (inactive) to cis-cinanamic acid (active)?

A

Introduction of double bond

135
Q

As of the present, it is the most used and productive method of obtaining new drugs.

A

Molecular Manpulation

136
Q

Methenamine mandelate is a product of:

A

molecular addition

137
Q

It is mathematical equation which relates a variety of physicochemical parameters to
biological activities for a series of related structures.

A

Hansch

138
Q

Semi-synthetic procedure used in producing 6-aminopenicillanic acid is by hydrolyzing Pen G or Pen V using enzyme penicillin______

A

Acylase

139
Q

Physicochemical property that have been studied by the QSAR approach which can be easily quantified for complete molecules

A

Hydrophobic

140
Q

Which of the following hormones will not undergo hydrolytic reaction?

A

Sex Hormones

141
Q

Which of the following phase I metabolic reactions is involved in the conversion of
Disulfiram to N, N –Diethylthiocarbamic acid?

A

Reduction

142
Q

Which among the following penicillins contain phenolic R group?

A

Amoxicillin

143
Q

The E and C – clomiphene are examples of

A

Geometric isomers

144
Q

Antibody (Ab) found in persons with allergies of various types, as well as in autoimmune

A

IgE

145
Q

A solution of antibodies derived from the serum of animals immunized with specific
antigens.

A

immune globulin

146
Q

This is used in the treatmesn of Gaucher’s disease.

A

Cerezyme

147
Q

Which of the following is a sulfur containing antibiotic?

A

Lincomycin

148
Q

B-blocker that is metabolized to napthoxylactic acid after oral dose is:

A

Propanolol

149
Q

Propanone and 1-propen-1-ol are considered:

A

Tautomers

150
Q

What is the general term that is used to refer to compounds having two hydroxyl groups attached to two adjacent carbons

A

Glycol

151
Q

Meta-hydroxy benzene is:

A

Resorcinol

152
Q

Methyl benzene is also known as

A

Toulene

153
Q

2-pentanol and 3-pentanol are:

A

Positional Isomers

154
Q

The chemical CH3CH2COOCH3 is given an IUPAC name of:

A

Methyl Propanoate

155
Q

A carbon with four different moieties attached to it is generally called

A

Stereocenter

156
Q

Acetylenes refer to

A

Alkynes

157
Q

Friedel Craft’s acetylation of arenes forms:

A

Acyl Halides

158
Q

Elimination reaction leads to the formation of

A

Unsaturated compounds

159
Q

A species that loves a positive species is a:

A

Nucleophile

160
Q

Ozonolysis of alkenes forms

A

Carbonyl compounds

161
Q

Which of the following alcohols is most reactive to Lucas reagent?

A

Tert-butyl alcohol

162
Q

Markonikov addition of water to a double bond in a primary carbon results to the
formation of:

A

Secondary Alcohols

163
Q

p-hydroxy phenol is also known as:

A

Hydroquinone

164
Q

Potassium sorbate (structure shown below) is a preservative commonly used in
pharmaceuticals. The group markedwith dashed lines is an example of a(an):

A

Conjugated Diene

165
Q
  1. BHT or butylated hydroxytoulene (structure shown below) is an antioxidant employed to retard oxidative degradation of oils and fats in various cosmetics and pharmaceuticals.
    The common name of the branched substituent marked with dashed lines is: (CH3)
A

tert-butyl

166
Q

Which of the following reactions would be classified as propagation?

A

CH3 + Br2 -> CH3Br + Br

167
Q

The ring in an aromatic compound typically undergoes what type of reaction

A

Substitution

168
Q

Which part of the molecule is not required for analgesis?

A

Ether Bridge

168
Q

The following organic compounds give positive result to Lassaigne’s test EXCEPT:

A

Amides

169
Q

Tollen’s test is a test for

A

Terminal alkynes

170
Q

What is the color of the flame produced by halogen containing compounds in the
flame test?

A

Green

171
Q

Aniline is liberated from acetanilide when treated with

A

HCl

171
Q

Found in the urine in the form of hippuric acid

A

Benzoic Acid

171
Q

The following compounds yield a violet color to FeCl3 test except:

A

Benzoic acid

172
Q

Saponification is an alkali hydrolysis of

A

RCOOR

172
Q

The following compounds yield a violet color to FeCl3 test except:

A

Benzoic Acid

173
Q

Methyl salicylate is prepared from the reaction of salicylic acid and:

A

Methanol

174
Q

Acetophenone undergo nucleophilic substitution with –OH in the presence of

A

NaClO

175
Q

This is employed for the purification of organic compounds which partially or
completely decompose before their normal boiling points are reached

A

Vacuum Distillation

176
Q

Carbon in organic compounds is analyzed as carbon dioxide using

A

Soda Lime

177
Q

Hat gas can be prepared from the acid catalyzed dehydration of athanol?

A

Ethene

178
Q

The oxidation of alkene with dilute KMno4 in cold base produce

A

Alcohol

179
Q

This undergoes hydrolysis in the presence of heat producing phosgene.

A

CCl4

180
Q

The hybridization of Carbon in ethane is:

A

sp3

181
Q

Which of the following antihistamines is now commonly used as an appetite stimulant due to its CNS depressant properties?

A

Buclizine

182
Q

The use of this anti-ulcer agent has been limited due to its drug interactions &
potential to cause problems in male patients taking them due to incidence of gynecomastia & impotence

A

Cimetidine

183
Q

The use of this anti-ulcer agent has been limited due to its drug interactions &
potential to cause problems in male patients taking them due to incidence of gynecomastia & impotence

A

Cimetidine

184
Q

Primary alcohols, on oxidation, gives carboxylic acids but the oxidative reaction can be stopped after producing the aldehyde from the primary alcohol by using what oxidizing agent?

A

PCC

185
Q

The Tollen’s reagent is used to identify functional group/s?

A

Aldehyde

186
Q

For a week acid, when the pH of the solution is the same as that of the pKa of the acid, the percentage of ionization of the acid will be:

A

50%

187
Q

ph is defined as the:

A

negative log of the hydrogen ion concentration

188
Q

The water ion theory of acids and bases is attributed to

A

Arrhenius

189
Q

In which of the following concepts is the formation of a coordinate covalent bond a
consequence?

A

Lewis Theory

190
Q

Aluminum oxide, Al203 has a molecular weight of 102. What is its equivalent weight?

A

34

191
Q

He discovered radioactivity

A

Bequerel

192
Q

Type of radiation which consists of streams of electrons that travel 0.4 times
the speed of light

A

Gamma

193
Q

The law that states that when two elements A and B form more than one compound,
the amounts of A that are combined in these compounds with a fixed amount of B are in small whole number ratio

A

Law of Multiple Proportion

194
Q

Elements that have atomic numbers from 58 t0 71 and appears at the bottom of the chart

A

Lanthanides

195
Q

The principle that states that no two electrons in the same atom may have identical sets of all four quantum numbers

A

Pauli’s exclusion principle

196
Q

The quantum number that identifies the orientation of the orbital within the subshell.

A

Magnetic

197
Q

A molecular orbital in which electron density is low in the internuclear region

A

Antibonding molecular orbital

198
Q

It states that when conditions are changed, a system in equilibrium reacts in a way that
tends to counteract the change.

A

Le Chatelie’s Principle

199
Q

What is the oxidation number of Cr in the dichromate ion Cr2O7 -2?

A

+6

200
Q

Oxides of metals are

A

Basic

201
Q

Nitric acid is an example of

A

Monoprotic

202
Q

Order of reaction characterized by the equation
Rate # k [A] [B]

A

Second Order

203
Q

rder of the reaction characterized by the equation
Rate=k

A

Zero

204
Q

.Will a precipitate of Mg(OH)2 form in a 0.00010 M solution of Mg (NO3)2 if the pH of the solution is adjusted to 9.0?
The Ksp of Mg (OH)2 is 8.9 x 10-12

A

No

205
Q

Law of thermodynamics that states that energy can be converted from one for into another but it cannot be created or destroyed

A

First Law

206
Q

A process, run at high pressures, at high temperatures and in the presence of a catalyst in which hydrogen and nitrogen react to produce ammnonia

A

Haber Process

207
Q

A process in which high molecular weight hydrocarbons are broken down into lower
molecular weight compounds. This process is used in petroleum refining.

A

Cracking

208
Q

Which of the following forms of radiation is the most penetrating

A

Gamma

209
Q

Enantiomers differ from one another in

A

Spatial Configuration

210
Q

Enantiomers differ from one another in

A

Spatial Configuration

211
Q

A compound having an asymmetric carbon exhibits

A

Optical Isomerism

212
Q

Esters are formed by the reaction between:

A

Acids and Alcohols

213
Q

The distance between the nuclei of two covalently bonded atoms in a molecule

A

Bond Length

214
Q

Molecular geometry of the boron trifluoride

A

Trigonal Planar

215
Q

The law that states that at constant pressure and temperature, the volume of a gas is directly proportional to the number of moles of the gas present

A

Avogadro’s Law

216
Q

A solid solution of either of two or more nonmetals

A

Alloy

217
Q

The equation that tells the possible energy states of an electron in hydrogen atom and the probability of its location in a particular region

A

Schrodinger equation

218
Q

Claisen Condensation reactions involve what carbonyl compounds?

A

Aldehyde and Ketones

219
Q

These are local anti-infectives applied to ananimate objects.

A

Antiseptic

220
Q

Gas sterilant

A

Ethylene Oxide

221
Q

it is also known as methyl rosaniline chloride

A

Carbol fuchsin

222
Q

Which of the following is not true about hexachlorophene USP

A

Biphenol

223
Q

Povidone is a ______ surfactant.

A

Non-ionoc

224
Q
  1. In phenols, substitution at______ position increases bacterial activity
A

Para

225
Q

Used to disinfect drinking water:

A

Halazone

226
Q

Methenamine is decomposed into______ at a urine pH of 5.5. This is responsible for
methenamine’s urinary tract antiseptic property

A

Formaldehyde

227
Q

Sulfonamides are synthetic analogs of:

A

PABA

228
Q

This structure is essential for the antibacterial property of penicillins and cephalosporins:

A

Beta-lactam ring

229
Q

The first compound in the development of a drug that has the desired biological and
physiological properties.

A

Lead Drug

230
Q

6-Methyl ether of erythromycin

A

Clarithromycin

231
Q

These are composed of two amino sugars linked together in glycosidic linkage to a central hexose

A

Macrolides

232
Q

Which of the following is a benzodiazepine?

A

Triazolam

233
Q

Which of the following is a dissociative anesthetic?

A

Ketamine

234
Q

What is the common name of methanol?

A

Wood Alcohol

235
Q

Which of the following is not a phenol derivative?

A

Chlorhexidene

236
Q

Live attenuated virus.

A

Vaccine

PACOP (3 decks)

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