JEE Main 2020 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 4 September 2020, Shift 2, Chemistry Q30

Question 30 of 75 in this shift, Chemistry question 5 of 25.

The molecule in which hybrid MOs involve only one d-orbital of the central atom is :

(1) $[\mathrm{Ni(CN)_4}]^{2-}$ Official answer
(2) $\mathrm{BrF_5}$
(3) $[\mathrm{CrF_6}]^{3-}$
(4) $\mathrm{XeF_4}$

Official answer

Option 1

NTA final key (Sep 2020).

Chapter: Chemical Bonding and Molecular Structure
Topic: VSEPR Theory
Idea tested: Octahedral and Square Planar

Same idea in other shifts

Asked 4× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.