Skip to content
MathsGenie logo
Open app

Course home

  1. IGCSE
  3. Chemistry Edexcel
  5. Question bank

Group 7 (halogens) – chlorine, bromine and iodine

EasyMediumHard
123456
Question 3

The halogens are elements in Group 7 of the Periodic Table.

a.

Select the correct answer for each of the following:

(i) At room temperature and pressure, the physical state of bromine is

  • A solid
  • B liquid
  • C gas
  • D aqueous solution

(ii) Bromine vapour is

  • A pale green
  • B red-brown
  • C purple
  • D colourless
[2]
b.

Which of the elements chlorine, bromine, and iodine is the strongest oxidising agent?

[1]
c.

Chlorine reacts with hydrogen to form a colourless gas that dissolves in water to form an acid.

(i) What is the name of the colourless gas?

(ii) What is the name of the acid?

(iii) What is the formula that is used to represent both the colourless gas and the acid?

[3]

Group 7 (halogens) – chlorine, bromine and iodine Questions

  1. IGCSE
  2. /Chemistry
  3. /Group 7 (halogens) – chlorine, bromine and iodine