Chemical Bonding And Molecular Structure Question 303

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 electons, one must be unpaired. $ H_2^{+} $ has one unpaired electrons, whereas $ H_2 $ has two electrons and thus diamagnetic.


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