MCQ
Concentrated ${H_2}S{O_4}$ cannot be used to prepare $HBr$ from $NaBr$, because it
- AReduces $HBr$
- ✓Oxidises $HBr$
- CDisproportionates $HBr$
- DReacts slowly with $NaBr$
✓
Answer
Correct option: B.
Oxidises $HBr$
b
Concentrated $H _2 SO _4$ cannot be used to prepare $HBr$ from $NaBr$ because it oxidises $HBr$ to $Br _2$.
Concentrated $H _2 SO _4$ cannot be used to prepare $HBr$ from $NaBr$ because it oxidises $HBr$ to $Br _2$.
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