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Friday, 9 October

NEET UG 2020 · Chemistry · Question 116

NEET 2020 Chemistry, question 116

Question 116 of the NEET 2020 paper (code E1) 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

Q116 · Chemistry

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?

  1. 1SCN−<F−<C2O42−<CN−\mathrm{SCN^- < F^- < C_2O_4^{2-} < CN^-}Official answer
  2. 2SCN−<F−<CN−<C2O42−\mathrm{SCN^- < F^- < CN^- < C_2O_4^{2-}}
  3. 3F−<SCN−<C2O42−<CN−\mathrm{F^- < SCN^- < C_2O_4^{2-} < CN^-}
  4. 4CN−<C2O42−<SCN−<F−\mathrm{CN^- < C_2O_4^{2-} < SCN^- < F^-}

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.

  • 2026 Q58According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength isOne-line MCQ · Easy
  • 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

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.

Chapter analysisStudy this chapterPractise this chapter

Coordination Compounds: questions per paper

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