Questions
Hydrides of boron are not very stable. Diborane is one of the most important member of Borane family. Number of hydrogen atoms which cannot be replaced by methyl groups is/are from a molecule of diborane are
detailed solution
Correct option is D
The two boron atoms and the four terminal hydrogen atoms Ht are coplanar.Terminal hydrogens can be replaced by methyl groups but not the bridged hydrogens.Exhaustive methylation gives CH34B2H2;Similar Questions
Which of the following molecular hydrides acts as a Lewis acid?
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