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Q.

When KBr is treated with conc. sulphuric acid, reddish brown gas evolved is ____ ?

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a

Bromine

b

Mixture of HBr and $B r_{2}$

c

HBr

d

None of these

answer is C.

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Detailed Solution

Following is the chemical change

$K B r + c o n c . H_{2} S O_{4} \to B r_{2} + S O_{2} + K H S O_{4}$

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