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Which of the following molecule is param...

Which of the following molecule is paramagnetic

A

Chlorine

B

Nitrogen

C

Oxygen

D

Hydrogen

Text Solution

Verified by Experts

The correct Answer is:
C
Oxygen is paramagnetic due to the presence of two unpaired electron :
`O_2 = sigma (1s)^2 sigma^** (1s)^2 sigma(2s)^2 sigma^** (2s)^2`
`sigma(2p_x)^2 pi (2p_y)^2 pi (2p_x)^2 pi^** (2p_y)^1 pi^** (2p_z)^1`
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