VIIA n VIIB

Question 1

Who suggested the word halogen

Answer 1

BERZELIUS

Question 2

Halogen came from the greek words _____ and _______ which means “producer of sea salt”

Answer 2

SEA SALT AND TO PRODUCE

Question 3

The oxidation property of halogens _____ with increasing atomic number

Answer 3

DECREASES

Question 4

Is the first element in the halogen group in the PT. Its atomic number is 9 and its atomic wt. is 19

Answer 4

FLUORINE

Question 5

Physical state of fluorine

Answer 5

PALE YELLOW GAS

Question 6

Natural sources of fluorine

Answer 6

• FLUOROSPAR
• FLUORAPATITE
• CRYOLITE

Question 7

Fluorine poisoning (mottled enamel and abnormal bone growth)

Answer 7

FLUOROSIS

Question 8

Use of NaF

Answer 8

2% IN 4 APPLICATION

Question 9

Use of SnF2

Answer 9

8% freshly preparation

Question 10

Uses of dichlorofluoromethane

Answer 10

• FREON
• REFRIGERANT
• PROPELLANT

Question 11

The second lightest of the halogens

Answer 11

CHLORINE

Question 12

• AKA dephlogisticated muriatic acid
• found in large quantities as sodium chloride in seawater and in-land deposits
• used as H2O disinfectant

Answer 12

CHLORINE

Question 13

Physical state of chlorine

Answer 13

GREENISH YELLOW GAS

Question 14

• Most predominant ANION
• does not readily react to carbon

Answer 14

CHLORINE

Question 15

Use of NaOCl

Answer 15

DAKIN’S SOLUTION

Question 16

Use of labarraques solution aka diluted dakins solution (2.5%)

Answer 16

CHLORINATED SODA LIME SOLUTION

Question 17

Use of Ca(OCl)2

Answer 17

MURIATE OF LIME

Question 18

Use of diluted HCL 10%

Answer 18

TREATMENT TO ACHLORHYDRIA (LACKING OF HYDROCHLORIDE)

Question 19

Is sedative and antidepressant

Answer 19

BROMINE

Question 20

Toxicity of bromine

Answer 20

BROMINISM (SKIN ERUPTION, PSYCHOSIS, WEAKNESS, H/A)

Question 21

Treatment to brominism

Answer 21

NaCl or NH4Cl

Question 22

Physical state of bromine

Answer 22

REDDISH BROWN FUMING LIQUID WITH SUFFOCATING ODOR

Question 23

• 0.1N bromine solution
• sedative and used in iodometry

Answer 23

KOPPESCHAAR’S SOLUTION

Question 24

• AKA Eka-iodine
• least electronegative element
• only synthetic halogen
• only radioactive halogen
• only metallic halogen

Answer 24

ASTATINE

Question 25

Synthesis of thyroid hormones

Answer 25

IODINE

Question 26

CCl4 or CHCl color

Answer 26

VIOLET

Question 27

Physical state of iodine

Answer 27

GRAYISH BLACK SOLID, VIOLET COLORED VAPOR

Question 28

Increase solubility of I2

Answer 28

POTASSIUM IODIDE

Question 29

Lugol's solution -> contains triiodide (I3)

Answer 29

STRONG IODINE SOLUTION

Question 30

2% iodine in 50% alcohol with NaI

Answer 30

IODINE TINCTURE

Question 31

- Carbolised iodine solution - antiseptic

Answer 31

MANDEL'S SOLUTION

Question 32

- Polyvinylpyrolidone (PVP) - Iodophores - liberates free iodine

Answer 32

POVIDONE-IODINE (BETADINE®)

Question 33

- Phenolated iodine solution - disinfectant

Answer 33

BOULTON'S SOLUTION

Question 34

Iodine preparations

Answer 34

- STRONG IODINE SOLUTION / LUGOL'S SOLUTION - SATURATED SOLUTION OF POTASSIUM IODIDE (KISS)

Question 35

- AKA Eka-manganese - 1st element produced artificially - used in preparation of radiopharmaceuticals - diagnostic agent

Answer 35

TECHNETIUM

Question 36

Physical state of manganese

Answer 36

SILVERY-GRAY METAL

Question 37

Salt forms of manganese

Answer 37

- HAUSMANNITE - BRAUNITE

Question 38

Is a silicate mineral containing both di- and tri- valent manganese

Answer 38

BRAUNITE

Question 39

Is a complex oxide of manganese containing both di- and tri- valent manganese

Answer 39

HAUSMANITE

Question 40

- Mineral chameleon - oxidizing agents, volumetric solution in permanganometry

Answer 40

KMnO4

Question 41

Mn+2 = Mn+3 = Mn+4 = Mn+6 = Mn+7 =

Answer 41

n+2 = MANGANOUS Mn+3 = MANGANIC Mn+4 = MANGANITE Mn+6 = MANGANATE Mn+7 = PERMANGANATE