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.
