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Halogens

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which group is the Halogens

a)

5

b)

6

c)

7

d)

8

2.

Which of the following is / are not a gas at room temperature

a)

fluorine

b)

bromine

c)

iodine

d)

chlorine

3.

Which of the following is the most unreactive

a)

fluorine

b)

bromine

c)

iodine

d)

chlorine

4.

Which of the following is black

a)

fluorine

b)

bromine

c)

iodine

d)

chlorine

5.

Choose two solutions that can be reacted together to produce a colour change

a)

KBr

b)

iodine

c)

KCl

d)

chlorine

6.

Choose the substances that can be used prepare chlorine in the lab

a)

manganese (IV) oxide

b)

manganese (V) oxide

c)

conc. HCl (aq)

d)

HCl (aq)

7.

Chlorine is collected

a)

over water

b)

downward delivery

c)

upward delivery

d)

gas syringe

8.

The best way to purify chlorine is to pass it trough

a)

conc. sulfric acid followed by water

b)

water followed by conc. sulfuric acid

9.

In the reaction to prepare chlorine manganese is being

a)

oxidised

b)

reduced

10.

Which of the following are properties of chlorine

a)

bleaching smell

b)

denser than air

c)

slight soluble in water

d)

green gas

11.

Chlorine can be tested with

a)

red litmus paper

b)

damp red litmus paper

c)

blue litmus paper

d)

damp blue litmus paper

12.

Which of the following is explosive

a)

fluorine and hydrogen

b)

chlorine and hydrogen

c)

iodine and hydrogen

d)

bromine and hydrogen

13.

What colour change is observed when solid iron (II) chloride is reacted with chlorine

a)

brown to green

b)

green to brown

c)

brown to white

d)

white to brown

14.

In the reaction between solid iron (II) chloride and chlorine, chlorine is acting as the

a)

oxidising agent

b)

reducing agent

15.

Hydrochloric acid is

a)

weak acid

b)

monobasic

c)

strong acid

d)

dibasic

16.

hydrogen chloride is

a)

neutral

b)

ionic

c)

acidic

d)

covalent

17.

Which of the following are true if hydrogen chloride is dissolved in methlybenzene

a)

turns litmus to red

b)

no effect on litmus paper

c)

produces effervescence with a carbonate

d)

no effervescence with a carbonate

18.

Which of the following halides sublimes

a)

iodine

b)

ammonium chloride

c)

anhydrous iron (III) chloride

d)

chlorine

19.

Which of the following halides is deliquescent

a)

calcium chloride

b)

magnesium chloride

c)

potassium chloride

d)

sodium chloride

20.

magnesium chloride can be extracted from the ore using

a)

a reducing agent

b)

electrolysis

c)

heating