Q. In the following reaction $M^{x +} + {MnO}_{4}\ \ \ \ \ \ \ MO_{3} + {Mn}^{2 +} + \frac{1}{2}O_{2},$ If one mole of ${MnO}_{4}$ oxidises 2.5 moles of $M^{x +}$ then the value of $x$ is

A) 5
B) 3
C) 4
D) 2
Explanation

(b)
[image:8_image2.emf]
$x + 2 = 5$
$\therefore$ $x = 5 - 2 = \ + 3\$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.