JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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Application +4 | -1

Hydrazine reacts with

\mathrm{KIO}_3

in presence of

\mathrm{HCl}

\mathrm{N}_2 \mathrm{H}_4+\mathrm{IO}_3^{-}+2 \mathrm{H}^{+}+\mathrm{Cl}^{-} \longrightarrow \mathrm{ICl}+\mathrm{N}_2+3 \mathrm{H}_2 \mathrm{O}

The equivalent masses of

\mathrm{N}_2 \mathrm{H}_4

and

\mathrm{KIO}_3

respectively are:

View answer and explanation

Correct option: A

8 and 53.5

Option A (8 and 53.5) is correct because the equivalent mass of

N_2H_4

is calculated based on the change in oxidation number of nitrogen, and the equivalent mass of

KIO_3

is calculated based on the change in oxidation number of iodine.

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