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BF(3) reacts with NaH at 450 K to form N...

`BF_(3)` reacts with NaH at 450 K to form NaF and X. When X reacts with LiH in diethyl ether, Y is formed. What is Y?

A

`LiBO_(2)`

B

`Li_(2)B_(4)O_(2)`

C

`LiBH_(4)`

D

`B_(2)H_(6) cdot LiH`

Text Solution

Verified by Experts

The correct Answer is:
C
`2BF_(3) +6NaH overset(450 K) rarr 6NaF+B_(2)H_(6) (X)`
`underset("Diborane")(B_(2)H_(6))+2LiH overset("Diethyl ether")rarr underset("Lithium boron hydride")(2LiBH_(4) (Y))`
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