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Question: Answered & Verified by Expert
Compare bond lengths (x and y) for the following molecules

ChemistryChemical Bonding and Molecular StructureNEET
Options:
  • A x > y
  • B y > x
  • C x = y
  • D None of these
Solution:
1331 Upvotes Verified Answer
The correct answer is: y > x
x = 153.9 pm
y = 154.5 pm
Lone pair has more s%-character than the multiple bond, hence orbital having lone pair has more s%-character and other orbital has less s%-character. s% decreases bond length increases.

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