Q. ${Mn}^{2 +}\ can\ be\ converted\ into\ {Mn}^{7 +}\$by reacting with
A) ${SO}_{2}$
B) ${Cl}_{2}$
C) ${PbO}_{2}$
D) ${SnCl}_{2}$
Explanation
(c)
$2{MnCl}_{2} + 5{PbO}_{2} + 6{HNO}_{3} \longrightarrow 2{HMnO}_{4} + 2{PbCl}_{2} + 3Pb\left( {NO}_{3} \right)_{2} + 2H_{2}O$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.