1.

Which one of the following species is diamagnetic in nature [AIEEE 2005] A) He_{2}^{+} B) H2 C) H_{2}^{+} D) H_{2}^{-}

Answer»

The answer is H2 as it has all ELECTRONS in the orbitals PAIRED up. Other all have one UNPAIRED ELECTRON. Hence only H2 is diamagnetic.



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