Which of the following has the highest bond order?

Question

Accepted Answer

Correct answer: A. (a) : Molecular orbital configuration of N_2 ⇒ 1s^2 ^*1s^2 2s^2 ^ ⋆2s^2 2p_x ^2 2p_y ^2 2p_z ^2 Bond order = 12 (10-4 )=3 O_2 ⇒ 1s^2 ^*1s^2 2s^2 ^*2s^2 2p_z^2 2p_x^2 2p_y ^2 ^*2p_x ^1 ^ ⋆2p_y ^1 Bond order = 12 (10-6 )=2 He_2 ⇒ 1s^2 ^*1s^2 ; Bond order = 12 (2-2 )=0 H_2 ⇒ 1s^2 ; Bond order = 12 (2-0 )=1

$Which of the following has the highest bond order?$

Solution

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