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Friday, 9 October

NEET UG 2023 · Chemistry · Question 97

NEET 2023 Chemistry, question 97

Question 97 of the NEET 2023 paper (code G6) is a Chemistry question from Coordination Compounds. Its idea, Stepwise and Overall Stability Constants, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q97 · Chemistry

Which complex compound is most stable?

  1. 1[Co(NH3)6]2(SO4)3\mathrm{[Co(NH_3)_6]_2(SO_4)_3}
  2. 2[Co(NH3)4(H2O)Br](NO3)2\mathrm{[Co(NH_3)_4(H_2O)Br](NO_3)_2}
  3. 3[Co(NH3)3(NO3)3]\mathrm{[Co(NH_3)_3(NO_3)_3]}
  4. 4[CoCl2(en)2]NO3\mathrm{[CoCl_2(en)_2]NO_3}Official answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Stepwise and Overall Stability Constants

No other NEET paper from 2017–2026 tested this exact idea.

Stepwise and Overall Stability Constants: 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. Coordination Compounds alone had 13.

Chapter analysisStudy this chapterPractise this chapter

Coordination Compounds: questions per paper

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