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Friday, 9 October

NEET UG 2025 · Chemistry · Question 57

NEET 2025 Chemistry, question 57

Question 57 of the NEET 2025 paper (code 45) is a Chemistry question from Coordination Compounds. Its idea, Absorbed Wavelength and Splitting Energy, was asked twice, in 2017 and 2025, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q57 · Chemistry

The correct order of the wavelength of light absorbed by the following complexes is,

A. [Co(NH3)6]3+[Co(NH_3)_6]^{3+} B. [Co(CN)6]3−[Co(CN)_6]^{3-}

C. [Cu(H2O)4]2+[Cu(H_2O)_4]^{2+} D. [Ti(H2O)6]3+[Ti(H_2O)_6]^{3+}

Choose the correct answer from the options given below:

  1. 1B < D < A < C
  2. 2B < A < D < COfficial answer
  3. 3C < D < A < B
  4. 4C < A < D < B

Official answer: option 2 · NTA final answer key

Same idea

Absorbed Wavelength and Splitting Energy, in other papers

NEET asked this idea twice, in 2017 and 2025. The other question below.

  • 2017 Q73Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+\mathrm{Co^{3+}} is :One-line MCQ · Medium

Absorbed Wavelength and Splitting Energy: 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