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KVPY2012ChemistryChemical Bonding and Molecular Structure

The C-O bond length in CO , CO ₂ and CO ₃ ²⁻ follows the order -

Options

  1. ACO < CO ₂ < CO ₃ ²⁻
  2. BCO ₂ < CO ₃ ²⁻ < CO
  3. CCO > CO ₂> CO ₃²⁻
  4. DCO ₃ ²⁻ < CO ₂ < CO

Correct answer

A. CO < CO ₂ < CO ₃ ²⁻

Step-by-step solution

Bond Length 1 Bond Order CO , B . O .=3 O = C = O , B . O .=2

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