Which of the following statement is correct for diborane?
A
Small amines like NH3,CH3NH2 give unsymmetrical cleavage of diborane
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B
Large amines such as (CH3)3N and pyridine gives symmetrical cleavage of diborane
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C
Small as well as large amines both gives symmetrical cleavage of diborane
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D
Both (A) and (B)
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Solution
The correct option is D Both (A) and (B) Small amines like NH3,CH3NH2 give unsymmetrical cleavage of diborane. B2H6+2NH3→[H2B(NH3)2]+[BH4]−
Large amines such as (CH3)3N and pyridine gives symmetrical cleavage of diborane B2H6+2N(CH3)3→2H3B←N(CH3)3