Multiple choice

Which of the following pairs of species have the same bond order?

  1. O2--
  2. NO+
  3. CN-
  4. CO

  1. 1 and 2

  2. 1 and 4

  3. 1, 2 and 3

  4. 1, 3 and 4

  5. 2, 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Species which have the same number of total electrons will have the same bond order. O2-- has 18 electrons and bond order 1. NO+, CN-, and CO each has 14 electrons having bond order 3.

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