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JEE Main2009ChemistryChemical Bonding and Molecular StructureActual

Using MO theory predict which of the following species has the shortest bond length ?

Options

  1. AO ₂²⁺
  2. BO ₂⁺
  3. CO ₂⁻
  4. DO ₂²⁻

Correct answer

A. O ₂²⁺

Step-by-step solution

Bond length 1 bond order Bond order = no..of bonding e - no.of antibonding e 2 Bond orders of O ₂⁺, O ₂⁻, O ₂⁻² and O ₂⁺² are respectively 2.5,1.5,1 and 3 .

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