Q. $B_{2} H_{6}$ can't be prepared by :-

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A

$N a B H_{4} + I_{2} \to$

B

$B F_{3} + N a H \to$

C

$B_{3} N_{3} H_{6} + H_{2} O \to$

D

$M g_{3} B_{2} + d i l . H Cl \to$

Solution:

$B_{3} N_{3} H_{6} + H_{2} O \to H_{3} B O_{3} + N H_{3} + H_{2}$