Chemical Bonding - Result Question 58

33. Which of the following is paramagnetic?

(a) $O _2^{-}$

(b) $CN^{-}$

(c) $CO$

(d) $NO^+$

$(1989,1\ \text{M})$

Show Answer

Answer:

Correct Answer: 33. (a)

Solution:

  1. $O _2^{-}$ has odd number of electrons, hence it is paramagnetic.


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