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Which one of the following species does not exist ?

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in Chemistry by (57.7k points)

Which one of the following species does not exist ? 

(a) [SnCl6]3− 

 (b) [GeCl6]2− 

(c) [SiCl6]2− 

 (d) [CCl6]2− 

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1 Answer

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Best answer

Correct option (d) [CCl6] 2−

Explanation:

Carbon atom cannot expand its valency shell due to non availability of 2d sub shell, so [CCl6]2− does not exist.

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