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Question

In the given reaction, B2H6+2KOH+2X2Y+6H2, X and Y are respectively

A
H2,H3BO3
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B
HCl,KBO3
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C
H2O,KBO3
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D
H2O,KBO2
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Solution

The correct option is D H2O,KBO2
Diborane react with potassium hydroxide to give Potassium metaborate and hydrogen gas.
Thus the reaction will be
B2H6+2KOH+2H2O2KBO2+6H2
Analysing the reaction, we can solve X and Y.
X and Y are H2O and KBO2 respectively.

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