Question

which of the following has minimum bond lenth?
1) O2
2) O2^+
3) O2^-
4) O2^2-
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Answer 1

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HERE IS YOUR ANSWER:-

Let's first talk about their bond order;

O2- has bond order 1.5

O2+ has bond order 2.5

O2 has bond order 2.

O2^2- has bond order 1.

We know that greater the bond order, less will be the bond length.

Thus, O2+ has the minimum bond length.

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