Group Properties of Elements Group VII-A

Question 1

Other name for Group 7A

Answer 1

halogens

Question 2

elements of group 7A

Answer 2

Fluorine, Chlorine, Bromine, Iodine, Astatine

Question 3

Most active non-metals

Answer 3

GROUP 7A: HALOGENS

Question 4

Sea-salt producers

Answer 4

GROUP 7A: HALOGENS

Question 5

Valence:-1

Answer 5

GROUP 7A: HALOGENS

Question 6

a flame test that confirms the presence
of a halogen in solution using a Cu wire forming green
flame although it does not distinguish between chlorine,
bromine, or iodine; general test

Answer 6

Beilstein test

Question 7

Super halogen

Answer 7

FLUORINE (F₂)

Question 8

Linus Pauling

Answer 8

FLUORINE (F₂)

Question 9

Strongest OA, Most electronegative halogen

Answer 9

FLUORINE (F₂)

Question 10

Suppressive e ect on thyroid, antithyroid (particularly
when Iodine is deficient)

Answer 10

FLUORINE (F₂)

Question 11

Poisoning: Fluorosis

Answer 11

FLUORINE (F₂)

Question 12

manifestation: mo led enamel,
abnormal bone growth

Answer 12

F Poisoning: Fluorosis

Question 13

Anticarcinogenic , Rodenticide, Insecticide halogen

Answer 13

FLUORINE (F₂)

Question 14

fluorine prep:
2%, 4 applications

Answer 14

Sodium fluoride, NaF

Question 15

fluorine prep:
8%, 1 application

Answer 15

Stannous fluoride, SnF₂

Question 16

Must be freshly prepared, very unstable, oxidized Sn2+ → Sn4+

Answer 16

Stannous fluoride, SnF₂

Question 17

Dephlogisticated muriatic acid (HCl)

Answer 17

CHLORINE (Cl₂)

Question 18

Chloros

Answer 18

CHLORINE (Cl₂)

Question 19

Chloros color

Answer 19

greenish yellow

Question 20

Most abundant EXTRAcellular ANION

Answer 20

CHLORINE (Cl₂)

Question 21

Common water disinfectant halogen

Answer 21

CHLORINE (Cl₂)

Question 22

MOA of chlorine water disinfectant

Answer 22

Halogenation - Chlorination

Question 23

Chlorine gas properties

Answer 23

bleaching and antiseptic properties

Question 24

Group 7A
Powerful caustic & germicide

Question 25

Group 7A
Sedative depressant

Question 26

Bromism poisoning antidote

Answer 26

NaCl & NH4 Cl antidote

Question 27

for prep of sample for Fourier T ransform
Infrared Spectroscopy (FT-IR) (pellets) – functional grp
determination

Answer 27

Kbr

Question 28

(1% Br water)/ Bromine water

Answer 28

Bromine TS ( T e s ts o l u t i o n )

Question 29

KBrO3 & KBr
in H2O

Answer 29

Bromine VS (0.1N Br/ Koppeschaar’s soln)

Question 30

3 Bromide elixirs w sedative depressant

Answer 30

Na, K, NH4+

Question 31

bromine elixirs use

Answer 31

sedative depressant

Question 32

Dark reddish brown fuming liquid with su ocating odor

Answer 32

IODINE (I₂)

Question 33

________ in handling Br –> stops rxn of Br

Answer 33

ammonia water

Question 34

Heaviest nonmetal

Answer 34

IODINE (I₂)

Question 35

Solid with metallic sheen (most metallic NONmetal)

Answer 35

IODINE (I₂)

Question 36

Easily undergoes sublimation, giving o violet vapor

Answer 36

IODINE (I₂)

Question 37

T race element for T3& T4 synthesis

Answer 37

IODINE (I₂)

Question 38

Use: Expectorant, Antifungal; Antibacterial (1:5000 or
0.02%)

Answer 38

IODINE (I₂)

Question 39

Greater antibacterial activity (3 g s/quart of
H2O) vs. Cl & Br of same strength; same
strength as KMnO4

Answer 39

IODINE (I₂)