P-Block Elements Ques 544

Question: The catenation tendency of C, Si and Ge is in the order $ Ge<Si<C. $ The bond energies (in $ kJmo{{l}^{-1}} $ ) of $ C-C, $ $ Si-Si $ and $ Ge-Ge $ bonds are respectively

Options:

A) 348, 297, 260

B) 297, 348, 260

C) 348, 260, 297

D) 260, 297, 348

Show Answer

Answer:

Correct Answer: A

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.



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