Q.

Diborane is prepared on large scale by

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a

2BF3(g)+6LiH(s)→450KB2H6(g)+6LiF(s)

b

2BCI3(g)+6LiH(s)→450KB2H6(g)+6LiCl(s)

c

2BF3(g)+6NaH→450KB2H6+6NaF

d

2BCI3+6NaH→450KB2H6+6NaCI

answer is A.

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Detailed Solution

The industrial synthesis of diborane involves the reduction of BF3 by sodium hydride, lithium hydride or lithium aluminium hydride. 2 BF3 + 6 LiH → B2H6 + 6 LiF.
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