Question

Hydrazine reacts with $KIO _{3}$ in presence of $HCl$ as
$N _{2} H _{4}+ IO _{3}^{-}+2 H ^{+}+ Cl ^{-} \longrightarrow ICl + N _{2}+3 H _{2} O$
The equivalent masses of $N _{2} H _{4}$ and $KIO _{3}$ respectively are: $\left[ KIO _{3}=214\right.$ ]

• A. $8$ and $53.5$
• B. $16$ and $53.5$
• C. $8$ and $35.6$
• D. $8$ and $87$

Answer 1

Answer: (A)

$N _{2} H _{4} \longrightarrow N _{2} n$ factor $=4$
$\therefore \text { Eq. wt }=\frac{32}{4}=8$
$\overset{+5}{ IO _{3}^{-}} \rightarrow \overset{+1}{ I } n$ factor $=4$
$\therefore $ Eq.wt $=\frac{214}{4}=53.4$