JEE Main 2021ChemistryCoordination CompoundsMediumMCQ

JEE Main 2021 — Coordination Compounds Question with Solution

JEE Main 2021 (20 Jul Shift 1)

Question

According to the valence bond theory the hybridization of central metal atom is dsp2 for which one of the following compounds?

Choose an option

Show full solutionCorrect option: B
Correct answer
B

K2Ni(CN)4

Step-by-step explanation

1) NiCl2.6H2O
Ni+2→[Ar]183 d84 s0

2) K2Ni(CN)4
C.N.4    Ni+2→[Ar]183 d84 s0

3) Ni(CO)4
CO-Strong field ligand

4) Na2NiCl4
Ni→[Ar]183 d84 s0
CN=4, Hybridisation =sp3

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Coordination Compounds chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2021, covering the Coordination Compounds 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.