NEET2019Chemistry-Coordination Compounds

NEET 2019 Chemistry Stability of complexes MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which of the following species is NOT stable?

A

[GeCl₆]²⁻

B

[Sn(OH)₆]²⁻

C

[SiCl₆]²⁻

D

[SiF₆]²⁻

Correct Answer

Option C

Detailed Explanation

[SiCl₆]²⁻ is not stable due to the large size mismatch between Si and Cl, leading to instability in the complex.

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