1.

Which among the following is not a borane

Answer»

`B_(2)H_(6)`
`B_(3)H_(6)`
`B_(4)H_(10)`
None of these

Solution :Borances fall into TWO categories
`(a) B_(n) H_((n+4))` (CALLED nido-boranes), `B_(2)H_(6)`
`(b) B_(n)H_((n+6))` (called archno-boranes) , `B_(4)H_(10)`
`B_(3)H_(6)` does NOTFALL into any of the above categories


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