Peroxide ion (i) has five completely filled antibonding mol…

Chemistry Chemical Bonding and Molecular Structure Karnataka - CET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Peroxide ion

(i) has five completely filled antibonding molecular orbitals

(ii) is diamagnetic

(iii) has bond order one

(iv) is isoelectronic with neon.

Which one of these is correct?

(iv) and (iii)

(i), (ii) and (iv)

(ii) and (iii)

(i) and (iv)

Text Solution

Verified by Experts

The correct answer is:

: Peroxide ion is

Total electrons

E.C.

B.O.

Number of umpaired electron ,

hence has diamagnetic.

Options (ii) and (iii) are correct.

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