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 In the reaction

2X+B2H6BH2X2BH4

the amine(s) X is (are)

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By Expert Faculty of Sri Chaitanya
a
NH3
b
CH3NH2
c
(CH3)2NH
d
(CH3)3N

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detailed solution

Correct option is A

when X is  NH3    ----       2NH3+B2H6⟶BH2NH32⊕BH4⊖ CH3NH2----      2CH3NH2+B2H6⟶BH2CH3NH22⊕BH4⊖ CH32NH---    2{ CH32NH } +B2H6⟶BH2{ CH32NH }2⊕BH4⊖ where as  with teritiary amine  CH33N with  B2H6 forms an adduct:  2 CH33N+B2H6⟶2 CH33N⟶BH3


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