M.Sc. Chemistry (PU-CET P.G) 2021 Panjab University Entrance Exam With Answers

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23.

Which of the following species have bond order of 3?

1. N2 2. NO- 3. NO+ 4. C2^2-
A: 1 and 2
B: 1, 2 and 3
C: 1, 2 and 4
D: 1, 3 and 4

The answer is: D

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