Match List I with List II. List I (Complex); List II (Type of isomerism) A. [Co(NH3)5(NO2)]Cl2; I. Solvate isomerism B. [Co(NH3)5(SO4)]Br; II. Linkage isomerism C. [Co(NH3)6][Cr(CN)6]; III. Ionization isomerism D. [Co(H2O)6]Cl3; IV. Coordination isomerism Choose the correct answer from the options given below:

NEET UG 2024 · Chemistry · Question 82

NEET 2024 Chemistry, question 82

Question 82 of the NEET 2024 paper (code T2) is a Chemistry question from Coordination Compounds. Its idea, Structural Isomerism Identification, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q82 · Chemistry

[\mathrm{Co(NH_3)_5(NO_2)}]\mathrm{Cl_2}

List I (Complex)	List II (Type of isomerism)
A. $[\mathrm{Co(NH_3)_5(NO_2)}]\mathrm{Cl_2}$	I. Solvate isomerism
B. $[\mathrm{Co(NH_3)_5(SO_4)}]\mathrm{Br}$	II. Linkage isomerism
C. $[\mathrm{Co(NH_3)_6}][\mathrm{Cr(CN)_6}]$	III. Ionization isomerism
D. $[\mathrm{Co(H_2O)_6}]\mathrm{Cl_3}$	IV. Coordination isomerism

1 A-I, B-IV, C-III, D-II 2 A-II, B-IV, C-III, D-I 3 A-II, B-III, C-IV, D-I Official answer 4 A-I, B-III, C-IV, D-II

Official answer: option 3 · NTA final answer key

Same idea

The only question on Structural Isomerism Identification

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

Structural Isomerism Identification: 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 Isomerism alone had 4.

Chapter analysis Study this chapter Practise this chapter

The only question on Structural Isomerism Identification

Coordination Compounds in ten years of NEET

Coordination Compounds: questions per paper