Question

Match incorrect equivalent mass of reactant in following column ? (M = molar mass of reactant):-

	Column I	Column II
1	$Fe{S}_2\to F{e}^{3+}+S{O}_3$	$\frac{M}{15}$
2	$P_2{H}_4\to P_4{H}_2+P{H}_3$	$\frac{5M}{6}$
3	$2M{n}^{+7}\to M{n}^{2+}+M{n}^{+6}$	$\frac{M}{3}$
4	$Ba(Mn{O}_4{)}_2\stackrel{\mathrm{H}{}^{+}}{\to }M{n}^{2+}$	$\frac{M}{5}$

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

Answer: (D)

Correct answer is (d) 4