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When KBr is treated with conc. H(2)SO(4)...

When KBr is treated with conc. `H_(2)SO_(4)` reddish-brown gas is evolved. The gas is 

A

`B_2O_3`

B

`SO_2`

C

`O_2`

D

`SO_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`2B + 3H_(2) SO_(4) rarr 2H_(3) BO_(3) + SO_(2) uarr`
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