Home Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Halogens and their Compounds Concentrated H2SO4 cannot be used to prepare…
Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Halogens and their Compounds Single Correct MCQ
Published on: August 13, 2026

Concentrated H2SO4 cannot be used to prepare HBr from NaBr, because it ;

A
Reduces HBr
B
Oxidises HBr
C
Disproportionates HBr
D
Reacts slowly with NaBr

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Text Solution

Verified by Experts
The correct answer is:
B

H2SO4 oxidises HBr to Br2

H2SO4 + 2HBr SO2 + Br2 + 2H2O.

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