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Classification

Decreasing or...

Question

Decreasing order of reactivity of $F_{2}$ , $C l F$ and ${C l F}_{3}$ is :

{C l F}_{3} > C l F > F_{2}

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C l F > {C l F}_{3} > F_{2}

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{C l F}_{3} > F_{2} > C l F

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F_{2} > C l F > {C l F}_{3}

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Solution

The correct option is A ${C l F}_{3} > C l F > F_{2}$
$C l F_{3}$ have one odd electron so it is highly reactive and have tendency to pair up.

$C l F$ is a polar molecule so its reactivity is higher than $F_{2}$ molecule so order is:

$C l F_{3} > C l F > F_{2}$

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