Halogens

Which group is the Halogens

• 5

• 6

• 7

• 8

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

• fluorine

• bromine

• iodine

• chlorine

Which of the following is the most unreactive

• fluorine

• bromine

• iodine

• chlorine

Which of the following is black

• fluorine

• bromine

• iodine

• chlorine

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

• KBr

• iodine

• KCl

• chlorine

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

• manganese (IV) oxide

• manganese (V) oxide

• conc. HCl (aq)

• HCl (aq)

Chlorine is collected

• over water

• downward delivery

• upward delivery

• gas syringe

The best way to purify chlorine is to pass it trough

• conc. sulfric acid followed by water

• water followed by conc. sulfuric acid

In the reaction to prepare chlorine manganese is being

• oxidised

• reduced

Which of the following are properties of chlorine

• bleaching smell

• denser than air

• slight soluble in water

• green gas