Chemistry·MCQ Practice

Electronic Configuration of Molecules — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

Which of the following species has a bond order of 2.5 and is paramagnetic?

Q2medium

Which of the following diatomic species is diamagnetic?

Q3hard

Arrange the following species in increasing order of their bond dissociation energy: O $_2^+$ , O $_2$ , O $_2^-$ , O $_2^{2-}$

Q4hard

Which of the following statements about the C $_2$ molecule is incorrect?

Q5medium

Which of the following pairs of species are isoelectronic and have the same bond order?

Q6easy

Which of the following statements is true regarding the stability of He $_2$ and He $_2^+$ ?