JEE Main 2020 — Chemical Bonding And Molecular Structure Question with Solution
From: JEE Main 2020 (Online) 7th January Evening Slot
Question
The bond order and the magnetic characteristics of CN-
are :
Choose an option
Show full solutionCorrect option: C
Correct answer
C3, diamagnetic
Step-by-step explanation
CN- has 14 electrons.
Moleculer orbital configuration of CN- is
Here is no unpaired electron so it is diamagnetic.
Nb = 10
Na = 4
BO = = 3
Moleculer orbital configuration of CN- is
Here is no unpaired electron so it is diamagnetic.
Nb = 10
Na = 4
BO = = 3
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This is a previous-year question from JEE Main 2020, covering the Chemical Bonding And Molecular Structure chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.