p-Block elementsHardBloom L3

Question

Conc. H2SO4 cannot be used to prepare HBr from NaBr because it

Options

A.reacts slowly with NaBr
B.oxidises HBr
C.reduces HBr
D.disproportionates HBr

Solution

Sol. Concentrated H2​SO4​ cannot be used to prepare HBr from NaBr because it oxidises HBr to Br2​.

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