Chemical Bonding And Molecular Structure Question 335

Question: Which of the following is paramagnetic

Options:

A) O2

B) CN

C) CO

D) NO+

Show Answer

Answer:

Correct Answer: A

Solution:

Electronic configuration of O2 is O2=σ(1s)2σ(1s)2σ(2s)2σ(2s)2σ(2px)2π(2py)2

π(2pz)2π(2py)1π(2pz)1 The molecule has two unpaired electrons So, it is paramagnetic



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