Q. When KBr is treated with concentrated H_{2}SO_{4} reddish brown gas evolved, gas is
A) Mixture of bromine and HBr
B) HBr
C) Bromine
D) None of the above
Explanation
(c)
2KBr +2H_{2}SO_{4} +MnO_{2}$\overset{\mathrm{\Delta}}{\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.