Question

The equivalent weight of $KIO_{3}$ in the reaction
$2Cr(OH)_{3} +4OH +KIO_{3} \to 2CrO^{2-}_{4} +5H_{2}O +KI$ is

• A. $\frac{Mol. wt.}{3}$
• B. $\frac{Mol. wt.}{6}$
• C. $\frac{Mol. wt.}{2}$
• D. Molecular weight

Answer 1

Answer: (A)

$\frac{Molecular\, weight}{3}$ Because in $KIO_{3}$, effective oxidation number is 3