Q.
Equivalent weight of $K_{2}Cr_{2}O_{7}$, in the following reaction is
$Cr_{2}O^{2-}_{7} Fe^{2+} \to Fe^{3+} Cr^{3+}$
($M=$ molar mass of $K_{2}Cr_{2}O_{7}$)
Redox Reactions
Solution:
Correct answer is (b) $\frac{M}{6}$
