STANDARDChemistry-Chemical Bonding
STANDARD Chemistry Bond Lengths MCQ Question
Type: MCQ-conceptual-Medium
The correct order of decreasing bond lengths of CO, CO₂ and CO₃²⁻ is
A
CO > CO₂ > CO₃²⁻
B
CO₃²⁻ > CO₂ > CO
C
CO₂ > CO > CO₃²⁻
D
CO₂ > CO₃²⁻ > CO
Correct Answer
Option B
Detailed Explanation
CO₃²⁻ has the longest bond length due to resonance, followed by CO₂, and CO has the shortest bond length due to triple bonding.
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