Reaction of Bromide ions with concentrated sulfuric acid

Question 1

Reaction of bromide ions with concentrated sulfuric acid

The reaction of sodium bromide and concentrated sulfuric acid is

Answer 1

H2SO4 (l) + NaBr (s) → HBr (g) + NaHSO4 (s)

Question 1

The concentrated sulfuric acid …………HBr which ……………into bromine and hydrogen gas and sulfuric acid itself is reduced to sulfur dioxide gas:

Answer 1

oxidises

decomposes

2HBr (g) + H2SO4 (l) → Br2 (g) + SO2 (g) + 2H2O (l)

Question 2

The bromine is seen as a

Answer 2

reddish-brown gas