Q. When $KBr$ is treated with concentrated $H_{2}SO_{4}$ reddish brown gas is evolved. The gas is
A) Bromine
B) $HCl$
C) Mixture of bromine and $HBr$
D) None of the above
Explanation
(a)
$2KBr + 3H_{2}SO_{4} + MnO_{2} \rightarrow 2KHSO_{4} + MnSO_{4} + 2H_{2}O + Br_{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.