C and Si are always tetravalent but Ge, Sn, Pb show divalency.

Asked by Topperlearning User | 31st May, 2016, 01:14: PM

Expert Answer:

Ge, Sn and Pb show divalency due to inert pair effect, Pb2+ is more stable than Pb4+.

Answered by  | 31st May, 2016, 03:14: PM