Question:

Given below are two statements:
Statement I: Diamagnetic \(li_2\) molecules are known to exist in the vapour phase.
Statement II: According to MO theory, double bond in \(C_2\) consists of both \( \pi \) bonds. The correct option is:

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Always confirm the electronic configurations and molecular orbital theory descriptions when analyzing bond characteristics in molecules.
Updated On: Mar 19, 2025
  • Both statements I and II are correct.
  • Both statements I and II are not correct.
  • Statement I is correct, but statement II is not correct.
  • Statement II is correct, but statement I is not correct.
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The Correct Option is A

Solution and Explanation

Verifying the molecular properties. Li2 is known to be diamagnetic and exists in the vapour phase, verifying statement I. 
Statement II is correct as MO theory describes the double bond in C2 involving two \( \pi \) bonds.

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