1. Tardigrade
  2. Question
  3. Chemistry
  4. The catenation tendency of C, Si and Ge is in the order Ge < Si < C. The bond energies (in KJ mol-1) C - C, Si - Si and Ge-Ge bonds are respectively;

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Q. The catenation tendency of $C, Si$ and $Ge$ is in the order Ge $<\, Si <\, C.$ The bond energies $\left(in\, KJ mol^{-1}\right)$ $C - C, Si - Si$ and $Ge-Ge$ bonds are respectively;

JEE MainJEE Main 2013The p-Block Elements

Solution:

The linking of identical atoms with each other to form long chains is called catenation. However, this property decreases from carbon to lead. Decrease of this property is associated with M-M bond energy which decreases from carbon to lead.