Chemical Bonding And Molecular Structure Question 144

Question: Which one of the following species is diamagnetic in nature-

Options:

A) $ H{e^{+}}_2 $

B) $ H_2 $

C) ${H_2}^{+}$

D) ${H^{-}_2}$

Show Answer

Answer:

Correct Answer: B

Solution:

  • $ He_2^{+} $ and $ H_2^{-} $ have three electrons, one must be unpaired. $ H_2^{+} $ has one unpaired electron, whereas $ H_2 $ has two electrons and thus diamagnetic.


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