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Question
Which of the following diatomic molecular species has only π bonds according to molecular orbital theory?
Options
N2
C2
Be2
O2
MCQ
Solution
C2
Explanation:
C2: KK (σ2s)2 (σ*2s)2 (π2px)2 = (π2py)2
As a result, only π orbitals are involved in bonding, per molecular orbital theory.
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Molecular Orbital Theory - Introduction
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