In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be -

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In the following reactions `2X+B_(2)H_(6) to [BH_(2)(X)_(2)]^(+){BH_(4)]^(-)` The amine X will not be - A. ... C. `(CH_(3))_(2)NH` D. `(CH_(3))_(3)N`

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