In which of the following pairs the two species have identical bond order?
In which of the following pairs the two species have identical bond order?

Q. In which of the following pairs the two species have identical bond order?

  1. N−2, O2−2
  2. N+2, O−2
  3. N−2, O+2
  4. O+2, N2−2

Answer: N−2, O+2
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