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Friday, 9 October

JEE Main 2025 · ChemistryMultiple choiceSingle correctHardMulti-step

JEE Main 8 April 2025, Shift 2, Chemistry Q55

Question 55 of 75 in this shift, Chemistry question 5 of 25, Section A.

The number of species from the following that are involved in sp3d2\mathrm{sp^3d^2} hybridization is [Co(NH3)6]3+\mathrm{[Co(NH_3)_6]^{3+}}, SF6\mathrm{SF_6}, [CrF6]3−\mathrm{[CrF_6]^{3-}}, [CoF6]3−\mathrm{[CoF_6]^{3-}}, [Mn(CN)6]3−\mathrm{[Mn(CN)_6]^{3-}} and [MnCl6]3−\mathrm{[MnCl_6]^{3-}}
  1. (1)4Official answer
  2. (2)6
  3. (3)5
  4. (4)3Official answer

Official answer

Options 1 and 4

NTA final key: multiple options accepted. Either option scored full marks.

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 42 of the 174 JEE Main shifts held from 2017 to 2026.