Which of the following halides easily undergoes hydrolysis?

A g C l

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N F_{3}

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S i F_{4}

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C F_{4}

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Solution

The correct option is C $S i F_{4}$
$S i F_{4}$ is readily hydrolysed. 'Si' can use a 'd' orbital and hence be easily hydrolysed.

It reacts with water as follows:

$3 S i F_{4} + 2 H_{2} O \to 2 H_{2} S i F_{6} + S i O_{2}$

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