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Which does not exist ?...

Which does not exist ?

A

`[SiCl_6]^(2-)`

B

`[C Cl_6]^(2-)`

C

`[GeCl_6]^(2-)`

D

`[SnCl_6]^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
The elements C,Si,Ge and Sn all belong to group IV A . The coordination of C is limited to 4 as it has no vacant d orbitals available in the valence shell and so, it cannot form `([C Cl_6]^(2-))`. Other elements have the maximum coordination number of 6.
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