The incorrect statement is:

Question:

The incorrect statement is:

  1. $\mathrm{Cl}_{2}$ is more reactive than $\mathrm{ClF}$.

  2. $\mathrm{F}_{2}$ is more reactive than $\mathrm{ClF}$.

  3. On hydrolysis $\mathrm{ClF}$ froms $\mathrm{HOCl}$ and $\mathrm{HF}$.

  4. $\mathrm{F}_{2}$ is a stronger oxidizing agent than $\mathrm{Cl}_{2}$ in aqueous solution

Correct Option: 1

Solution:

(i) Reactivity order :

$\mathrm{F}_{2}>\mathrm{ClF}$ (inter halogen) $>\mathrm{Cl}_{2}$

(ii) $\mathrm{ClF}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{HOCl}+\mathrm{HF}$

(iii) Oxidizing power in aqueous solution

$\mathrm{F}_{2}>\mathrm{Cl}_{2}>\mathrm{Br}_{2}>\mathrm{I}_{2}$

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