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Friday, 9 October

NEET UG 2026 · Chemistry · Question 68

NEET 2026 Chemistry, question 68

Question 68 of the NEET 2026 paper (re-exam) is a Chemistry question from Coordination Compounds. Its idea, IUPAC Nomenclature Rules, was asked twice, in 2022 and 2026, across NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q68 · Chemistry

The formula of tetraammineaquachloridocobalt(III) chloride is

  1. 1[Co(NH3)4Cl2]×H2O\mathrm{[Co(NH_3)_4Cl_2]\times H_2O}
  2. 2[Co(NH3)4]Cl3×H2O\mathrm{[Co(NH_3)_4]Cl_3\times H_2O}
  3. 3[Co(NH3)4(H2O)Cl]Cl\mathrm{[Co(NH_3)_4(H_2O)Cl]Cl}
  4. 4[Co(NH3)4(H2O)Cl]Cl2\mathrm{[Co(NH_3)_4(H_2O)Cl]Cl_2}Official answer

Official answer: option 4 · NTA final answer key

Same idea

IUPAC Nomenclature Rules, in other papers

NEET asked this idea twice, in 2022 and 2026. The other question below.

  • 2022 Q83The IUPAC name of the complex - [Ag(H2O)2][Ag(CN)2]\mathrm{[Ag(H_2O)_2][Ag(CN)_2]} is :One-line MCQ · Medium

IUPAC Nomenclature Rules: 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