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Hybrid of boron occurs as B(2)H(6) but B...

Hybrid of boron occurs as `B_(2)H_(6)` but `B_(2)Cl_(6)` does not exist. This is because.

A

`p pi - p pi ` back bonding is possible in `B_(2)H_(6)` but not in `B_(2)Cl_(6)`

B

boron and hydrogen have almost equal values of electronegativity.

C

boron and chlorine have almost equal atomic sizes

D

small hydrogen atoms can easily fit in between boron atoms but large chlorine atoms do not.

Text Solution

Verified by Experts

The correct Answer is:
C
Due to similar size `p pi- p pi` back bonding occurs in `BCl_(3)` which doesn't allow it to loose its planar structure.
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