DAY 1 Flashcards
(90 cards)
1
Q
The element that is in Group 14 and the fourth period is
A
Germanium
2
Q
How many metals, metalloids, and nonmetals are there in the third perios of the Periodic Table?
A
3,1,4
3
Q
Give the technical names of Sc3+, Ti2+, and Sr2+
A
Scandium (III) ion
Titanium (II) ion
Strontium (II) ion
4
Q
Number of neutrons of the radioactive isotope C14
A
8
5
Q
11-tetradecenyl acetate
A
C16H30O2
MW= 254 g/mol
6
Q
Rubidium 84
A
Half-life: 33 days
7
Q
Tritium
A
Half-life: 12.3 years
8
Q
Americium-241
A
Half-life: 432 years
9
Q
Uranium 238 and Lead 206
A
Half-life: 4.52x10^9 years
10
Q
Alar
A
C6H12N2O3
11
Q
Geraniol
A
C10H18O
12
Q
Number of double bonds in geraniol
A
2
13
Q
Differences in structure between a saturated hydrocarbon from an unsaturated hydrocarbon.
A
A saturated hydrocarbon contains only carbon-carbon single bonds, while an unsaturated hydrocarbon contains one or more carbon-carbon double or triple bonds.
14
Q
Determine whether TRUE or FALSE about the constitutional isomer.
A. They have the same molecular formula
B. They have the same molecular weight
C. They have the same connectivity to their atoms
D. They have the same physical properties
A
T, T, F, F
15
Q
Method used by Friedrich Wöhler to break the vital force theory in nature
A
Heating ammonium cyanate to form urea
16
Q
Common contaminant in the BTEx process
A
Sulfur
17
Q
Dodecane
A. Soluble in water
B. Soluble in hexane
C. Combustible
D. Solid, liquid, oe gas in atmospheric condition
E. Denser than water
A
No, Yes, Yes, Liquid, No
18
Q
Primary application of ethylene
A
Used as a plant hormone for ripening of fruits
19
Q
Lecithin is also known as
A
Phosphatidylcholine
20
Q
From what plant is capsaicin extracted
A
Capsicum
21
Q
Capsaicin
A
C18H27NO3
22
Q
Formed by the reaction of malonic acid and urea with a catalyst, as discoved by Adolf von Baeyer?
A
Barbituric acid
23
Q
Common structural characteristics of citric acid and malic acid
A
Both hydroxy acids
24
Q
Determine which of the following will float or sink in water:
Balsa wood
Ethylene glycol
Table salt
Ethanol
A
Float, sink, sink, float
25
Define salt in terms of acids and bases.
A salt is a compound (other than water) produced by the reaction of acid and a base.
26
Determine which of the following occurrences tells us what happens when Le Chatelier’s principle is applied whether these are TRUE or FALSE
A.) The addition of a component causes the equilibrium to shift to the opposite side
B.) The removal of the component causes the equilibrium to the side from which the component is removed
C.) Increasing the temperature drives an exothermic equilibrium to the side of the reactants, an endothermic equilibrium to the side of the product.
D.) The addition of a catalyst has NO effect on the position of the equilibrium.
T, T, T, T
27
When a can of soda is opened and CO2 is released to the atmosphere, what is the resultant pH of the soda?
Increases
28
If the entropy of a system decreases, the entropy of its surroundings
Must always increase
29
Dominant composition of acid rain
Nitric acid and sulfuric acid
30
Radioactive solid nuclear wastes are disposed off by
Underground burial in concrete containers
31
Above stratosphere, the concentration of ozone and other gases is low, and the temperature decreases with increasing altitude.
Mesosphere
32
Part of a molecule where most of its chemical reactions occur
Functional group
33
Which of the following molecule is unsaturated?
A. C3H8 (propane)
B.C5H10 (1-pentene)
C. CH3OH (methanol)
D. CH4 (methane)
B. C5H10 (1-pentene)
34
Which of the following alkanes is gas at room temp?
A. Octane
B. Propane
C. Eicosane
D. Undecane
B. Propane
35
When ethyl bromide is treated with sodium in dry ether, the product is
Butane
36
The ff reagents will produce an alkane from an alkyl halide EXCEPT
A. Zn/H+
B. alcoholic KOH
C. Na/dry ether
D. All of these
B. alcoholic KOH
37
When 1-bromo-2-methylcyclobutane is treated with alcoholic KOH, the dominant product is
1-methylcyclobutene
38
2-methylpropene can be obtained from
2-methyl-2-propanol
39
Alkenes are commonly prepared via elimination reaction, which of the following is NOT an elimination reaction?
A. Dehydration of alcohol
B. Dehalogenation of vicinal dihalide
C. Dehydrohalogenation of alkyl halide
D. Hydrogenation of alkynes
D. Hydrogenation of alkynes
40
The following reagents will yield an alkyl halide from an alkene EXCEPT
A. Br2/uv light
B. HCl
C. Br2 in CCl4
D. HBr/peroxide
A. Br2/uv light
41
Addition of HBr to alkynes results in the formation of
geminal dihalide
42
Hydrogenation of alkenes in the presence of a poisoned palladium catalyst produces
Alkane
43
When 2-butyne undergoes ozonolysis, the main product is
Acetic acid
44
In the hydration of alkynes, the enol formed is found to transform into a ketone. This form of isomerism is known as
Keto-enol tautomerism
45
All of the following are ortho and para directing substituents EXCEPT
A. -OH (o,p)
B. -OR (o,p)
C. -F (o,p)
D. -NO2 (m)
D. -NO2
46
How many isomers does xylene have
3
47
Which of the following is a ketone?
A. CH3COCH3
B. CH3OCH2CH3
C. (CH3)2CHOH
D. CH3CHO
A. CH3COCH3
48
Which of the following processes will yield an aldehyde?
A. Oxidation of alcohols using KMnO4 in basic medium
B. Ozonolysis of alkenes
C. Oxidation of alcohols using chromic acid
D. Ozonolysis of alkynes
B. Ozonolysis of alkenes
49
Hydrogenation of one mole of allene (Ch2=C=CH2) with 2 moles of H2 in the presence of Lindlar catalyst yields
Propane
50
No carbonyl group is found in
A. Ether
B. Ketone
C. Aldehyde
D. Carboxylic acid
A. Ether
51
Which of the following is not an alipatic hydrocarbon?
A. n-octane
B. propylene
C. n-tridecane
D. toluene
D. Toluene
52
The study of carbons and its compounds
Organic chemistry
53
Same chemical formula but different in geometric/ structural orientation
Isomerism
54
It is composed of amino acids
Proteins
55
2-methyl-2-butene undergoes hydrochlorination in the presence of benzoyl peroxide to form
2-chloro-3-methylbutane
56
Which of the following straight-chain alkanes can be conveniently prepared by Wurtz reaction?
A. Heptadecane
B. Nonane
C. Icosane
D. None of the above
C. Icosane
57
In nucleophilic addition reactions of alkenes with HZ in which the nucleophile Z attaches to more alkyl-substituted carbon and the H attaches to the carbon that already has the greater number of H atoms, the rule being followed by the reaction is
Markovnikov's rule
58
Dehydrochlorination of 2-chloro-3-methylpentane with alcoholic KOH yields
3-methyl-2-pentene
59
Friedel-Crafts acylation of benzene with acetyle chloride in AlCl3 yields
Acetophenone
60
In the Grignard synthesis of an alkane, using sec-butyl bromide, which alkane will be produced?
n-butane
61
Sulfonation of toluene yields to
2-methylbenzenesulfonic acid
62
Which of the following contains sp-hybridized carbon?
A. C4H8
B. C3H6
C. C5H8
D. C6H12
C. C5H8
63
Starting with 2-methyl-2-butene, which process must be used to produce a secondary alcohol?
Hydroboration-oxidation
64
Vinylbenzene is also known as
Styrene
65
Which of the following carbonyl compounds produce a secondary alcohol with LiAlH4?
A. Aldehyde
B. Ketone
C. Ester
D. Carboxylic acid
B. Ketone
66
Addition of methyl magnesium bromide to acetaldehyde produces
2-propanol
67
Oxidation of isopropyl alcohol with KMnO4 will yield
Acetone
68
Which will undergo bimolecular nucleophilic substitution?
A. 2-methyl-2-propanol
B. 1-propanol
C. 2-propanol
D. All of these
B. 1-propanol
69
In Williamson synthesis of methyl isopropyl ether, the alcohol used is
Isopropyl alcohol
70
Acid-catalyzed ring opening of an epoxide will result in the formation of
Dihydric alcohol
71
Hydrocarbon derivatives used as a main ingredient in automobile antifreeze
Ethylene glycol
72
The following reagents will give an alkyl halide from alcohol except
A. NaCl
B. PBr3
C. PCl3
D. SOCl2
A. NaCl
73
Which of the following is an aldehyde?
A. CH3COCH3
B. (CH3)2CHOH
C. CH3OCH2CH3
D. CH3CHO
D. CH3CHO
74
A tertiary alcohol is produced using Grignard Reagent using
Ketone
75
Carbonyl compounds can be obtained by reduction using the following except
A. Ester
B. Acyl chloride
C. Nitrile
D. Amide
C. Nitrile
76
Addition of hydrazine to carbonyl compounds produces
Hydrazone
77
Reduction of alkyl phenyl ketones to aromatic hydrocarbons done by Wolf-Kishner Reduction uses
NH2NH2,KOH (hydrazine)
78
Hexanedionic acid is also known as
Adipic acid
79
Reaction of alcohol and carboxylic acid is known as
Esterification
80
Addition of an alcohol to acyl halides produces
Ester
81
An unknown ester was hydrolyzed with water and acid to produce an acud, X and alcohol, Y. Oxidation of the alcohol with hot KMnO4 yielded acid X. Oxidation of the alcohol produced acetaldehyde. Name the ester.
Ethyl ethanoate
82
When an ethyl acetate is reduced by LiAlH4, the product is
Ethanol
83
Cyclic esters are known as
Lactones
84
The scent of banana is due to the ester
i-pentyl acetate
85
No carbonyl group is found in
A. Aldehyde
B. Ketone
C. Ester
D. Epoxide
D. Epoxide
86
OH groups bonded to vinylic, sp^2-hybridized carbons are called
Enol
87
Butanoic acid is also known as
Rancid butter
88
Carboxylic acids are reduced by lithium aluminum hydride to the corresponding
Primary alcohols
89
It is a solvent that is a cyclic ether
Tetrahydrofuran
90
The reaction of alcohols with Ag2O directly with alkyl halide forms ether in
One step
