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Diborane

In the given ...

Question

In the given reaction, $B_{2} H_{6} + 2 K O H + 2 X \to 2 Y + 6 H_{2},$ X and Y are respectively

A

H_{2}, H_{3} B O_{3}

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B

H C l, K B O_{3}

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C

H_{2} O, K B O_{3}

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D

H_{2} O, K B O_{2}

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Solution

The correct option is D $H_{2} O, K B O_{2}$
Diborane react with potassium hydroxide to give Potassium metaborate and hydrogen gas.
Thus the reaction will be
$B_{2} H_{6} + 2 K O H + 2 H_{2} O \to 2 K B O_{2} + 6 H_{2}$
Analysing the reaction, we can solve X and Y.
X and Y are $H_{2} O$ and $K B O_{2}$ respectively.

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