Question
Chemistry Question on p -Block Elements
Bromine can be liberated from potassium bromide solution by the action of
A
iodine solution
B
chlorine water
C
sodium chloride
D
potassium iodide
Answer
chlorine water
Explanation
Solution
Among halogens, oxidising power decreases from top to
bottom. Hence, the upper halogen oxidises lower halides
from aqueous solution. Chlorine will oxidise bromide into
bromine.