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NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice

Which of the following is a correct order of bond order ?

Options

  1. AC 2 < N O < H e 2 + < O 2 -
  2. BN O < C 2 < O 2 - < H e 2 +
  3. CH e 2 + < O 2 - < N O < C 2
  4. DH e 2 + < O 2 - < C 2 < N O

Correct answer

D. H e 2 + < O 2 - < C 2 < N O

Step-by-step solution

Bond order of H e 2 + → 0.5 O 2 - → 1.5 C 2 → 2 N O → 2.5

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