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Friday, 9 October

NEET UG 2026 · Chemistry · Question 58

NEET 2026 Chemistry, question 58

Question 58 of the NEET 2026 paper (re-exam) is a Chemistry question from Coordination Compounds. Its idea, Spectrochemical Series Usage, was asked 3 times, in 2020, 2022 and 2026, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q58 · Chemistry

According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength is

  1. 1CO>NH3>H2O>Cl−\mathrm{CO>NH_3>H_2O>Cl^-}Official answer
  2. 2CO>H2O>NH3>Cl−\mathrm{CO>H_2O>NH_3>Cl^-}
  3. 3Cl−>H2O>NH3>CO\mathrm{Cl^->H_2O>NH_3>CO}
  4. 4Cl−>NH3>H2O>CO\mathrm{Cl^->NH_3>H_2O>CO}

Official answer: option 1 · NTA final answer key

Same idea

Spectrochemical Series Usage, in other papers

NEET asked this idea 3 times, in 2020, 2022 and 2026. The other 2 questions below.

  • 2022 Q98The order of energy absorbed which is responsible for the color of complexes (A) [Ni(H2O)2(en)2]2+\mathrm{[Ni(H_2O)_2(en)_2]^{2+}} (B)…One-line MCQ · Medium
  • 2020 Q116Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?One-line MCQ · Medium

Spectrochemical Series Usage: every question and how it was framed

The chapter

Coordination Compounds in ten years of NEET

27 questions from 2017–2026, asked in 10 of 10 papers, about 2.6 a paper. Crystal Field Theory alone had 10.

Coordination Compounds: questions per paper

0364’173’181’191’202’212’222’233’243’256’26