Multiple choice

Select the correct answer for identical bond order using the codes given below: (i) CN- (ii) O2-
(iii) NO+ (iv) CN+ (v) O22+

  1. i and ii

  2. i and v

  3. i, iii and iv

  4. i, ii and v

  5. i, iii and v
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Molecules/ions which have the same number of electrons also have identical bond order. CN- has 14 electrons and bond order of 3. O2- has 17 electrons and bond order of 1.5. NO+ has 14 electrons and bond order of 3. CN+ has 12 electrons and bond order of 2.5. O22+ has 14 electrons and bond order of 3. Hence, i, iii and v all have identical bond order of 3.

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