Q. A bivalent metal has an equivalent mass of 32. The molecular mass of the metal nitrate is

A) 182
B) 168
C) 192
D) 188
Explanation

(d)
Atomic mass of the metal=$32 \times 2 = 64$
Formula of metal nitrate=$M\left( NO_{3} \right)_{2}$
$\therefore$ Molecular mass=64+28+96=188

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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