1.

Which of the following are incorrect statements ?A. `BH_(3)` is a stabel compoundB. Boron hydrides are readily hydrolysedC. Boron hydrides are formed by the reation of `Mg_(3)B_(2)` and dil `HCl`.D. All `B-H` bonds in `B_(2)H_(6)` are equal.

Answer» Correct Answer - A::D
`BH_(3)` being an electron-deficient compound is unstable and forms `B_(2)H_(6)`.
In `B_(2)H_(6)`, four `B-H` bonds are equal and two `B-H` bonds have equal bend length.


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