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COMEDK 2020
MCQ (Single Correct Answer)
+1
-0
The number of antibonding electron pairs in O$$_2^{2-}$$ molecular ion on the basis of molecular orbital theory is
[Atomic number of O is 18]
Questions Asked from Chemical Bonding and Molecular Structure (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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