$S i F_{4}$ gets hydrolysed then which of the following is not expected to from?

S i O_{2}

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S i (O H)_{2} F_{2}

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H_{2} S i F_{6}

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S i (O H)_{4}

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Solution

The correct option is B $S i (O H)_{2} F_{2}$
Partial hydrolysis is not possible for $S i F_{4}$
$4 H_{2} O + S i F_{4} \to S i (O H)_{4} + H F$
$H_{2} O + S i F_{4} \to H_{2} S i O_{3} + H_{2} S i F_{6}$
$2 H_{2} O + S i F_{4} \to S i O_{2} + 4 H F$
Hence $S i (O H)_{2} F_{2}$ is not possible

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