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AP EAMCET202017 Sep 2020Morning ShiftChemistryChemical Bonding and Molecular StructureActual

Which of the following sets of species have similar bond order?

Options

  1. A( N ₂, O ₂²⁻, NO ⁺ )
  2. B( N ₂, ~F ₂, O ₂²⁻ )
  3. C( N ₂, ~N ₂²⁻, O ₂⁻ )
  4. D( N ₂, CO , NO ⁺ )

Correct answer

D. ( N ₂, CO , NO ⁺ )

Step-by-step solution

Bond order, ( BO = N_b-N_a 2 ) ( aligned N ₂ (14 e⁻ ): BO & = 10-4 2 =3 O ₂²⁻ (18 e⁻ ): BO & = 10-8 2 =1 NO ⁺ (14 e⁻ ): BO & = 10-4 2 =3 ~F ₂ (18 e⁻ ): BO & = 10-8 2 =1 ~N ₂²⁻ (16 e⁻ ): BO & = 10-6 2 =2 O ₂⁻ (17 e⁻ ): BO & = 10-7 2 =1.5 CO (14 e⁻ ): BO & = 10-4 2 =3 aligned ) So, ( ( N ₂, CO , NO ⁺ ) )have similar bond order, 3 .

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