First slide

13th group or boron group

Question

In the reaction
$2 X + B_{2} H_{6} \to {[{BH}_{2} X_{2}]}^{+} {[{BH}_{4}]}^{-}$
Which of the following is not X

Moderate

A

${NH}_{3}$
B

${CH}_{3} {NH}_{2}$
C

${({CH}_{3})}_{2} NH$
D

${({CH}_{3})}_{3} N$

Solution

${({CH}_{3})}_{3} N$ does not have H-atom attached to N-atom, Hence it can not form ${[{BH}_{4}]}^{-}$ ion.

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