CBSE Class 11-science Answered
C and Si are always tetravalent but Ge, Sn, Pb show divalency.
Ge, Sn and Pb show divalency due to inert pair effect, Pb2+ is more stable than Pb4+.
Group 14 Elements - Part 1This video explains the occurrence, electronic configuration of Group 14 el...
Group 14 Elements - Part 2This video explains the comparison between the trends in properties of Grou...
Group 14 Elements - Exam DecodedThis video contains practice questions on Group 14 elements.