Chemical Bonding And Molecular Structure Question 344

Question: The number of antibonding electron pairs in $ O_2^{2-} $ molecular ion on the basis of molecular orbital theory is [Pb. PMT 2000]

Options:

A) 4

B) 3

C) 2

D) 5

Show Answer

Answer:

Correct Answer: A

Solution:

$ O_2^{2-} $ consist of four antibonding electron pair [1s and 2s have two antibonding and $ 2p_{x}2p_{y} $ have two antibonding electron pair].



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