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Saturday, 31 October

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JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 1 February 2024, Shift 1, Chemistry Q70

Question 70 of 90 in this shift, Chemistry question 10 of 30, Section A.

Which of the following complex is homoleptic ?

(1) $\mathrm{[Co(NH_3)_4Cl_2]^+}$
(2) $\mathrm{[Ni(NH_3)_2Cl_2]}$
(3) $\mathrm{[Fe(NH_3)_4Cl_2]^+}$
(4) $\mathrm{[Ni(CN)_4]^{2-}}$ Official answer

Official answer

Option 4

NTA final key.

Chapter: Coordination Compounds
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

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.