Which of the following has least tendency to undergo catenation

Options

A. C
B. Si
C. Ge
D. Sn

Answer

D

Explanation

The linking of identical atoms with each other to form long chains is called catenation. All the elements of group 14 have the property to catenate. This property decreases from carbon to lead. Carbon has the maximum property to catenate. The decrease of this property is associated with M-M bond energy which decreases from carbon to lead