The quantitative determination of N2 H4 with KIO3 proceeds in a mixture of H2 O / CCl4 as Follows N2 H4+KIO3+2 HCl N2+KCl+ICl+3 H2 O The end point for the titrimetric reaction is:

ABC26PH0889 · Chemical Kinetics

Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Chemical Kinetics – General · Exam: NET JUNE 2012 · Marks: 2 · Difficulty: Medium

The quantitative determination of $\mathrm{N}_{2} \mathrm{H}_{4}$ with $\mathrm{KIO}_{3}$ proceeds in a mixture of $\mathrm{H}_{2} \mathrm{O} / \mathrm{CCl}_{4}$ as Follows

\[ \mathrm{N}_{2} \mathrm{H}_{4}+\mathrm{KIO}_{3}+2 \mathrm{HCl} \rightarrow \mathrm{N}_{2}+\mathrm{KCl}+\mathrm{ICl}+3 \mathrm{H}_{2} \mathrm{O} \]

The end point for the titrimetric reaction is:

(a)Consumption of

(b)ICl formation

(c)Disappearance of the Yellow colour due to $\mathrm{Cl}_{2}$ in $\mathrm{CCl}_{4}$ layer.

(d)Displacement of the Red colour due to $\mathrm{I}_{2}$ in $\mathrm{CCl}_{4}$ layer

Answer

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Explanation

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