Which one of the following pairs of species have the same bond order? - Chemistry MCQ AIEEE 2026 | ExamTest.live | ExamTest.live

Home Tests Search Rank Profile

mediumMCQAIEEE2026Chemistry

1 mark

Which one of the following pairs of species have the same bond order?

A $CN^{-} and NO^{+}$
B $CN^{-} and CN^{+}$
C $O_{2}^{-} and CN^{-}$
D $NO^{+} and CN^{+}$

Solution & Step-by-step Explanation

Bond order for isoelectronic species is the same. CN^{-} : 6 + 7 + 1 = 14 electrons. NO^{+} : 7 + 8 - 1 = 14 electrons.Both have 14 electrons and a bond order of 3 (like N_{2}).

Practice this question

Try it yourself before checking the explanation above.

Which one of the following pairs of species have the same bond order?

A

CN^{-} and NO^{+}

B

CN^{-} and CN^{+}

C

O_{2}^{-} and CN^{-}

D

NO^{+} and CN^{+}

Share This Question

chemical bonding bond order

Related Questions

Which one of the following statements is true?

Which of the following statements is not correct?

Which one of the following statements is correct?

The product formed by the reaction of an aldehyde with a primary amine is:

Which part of the tobacco plant is infected by Meloidogyne incognita?

The term ecosystem was coined by:

Ready for a Full Test?

Practice with timed mock tests and track your performance across Chemistry.

Browse Tests Leaderboard

Discussion