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Friday, 9 October

NEET UG 2017 · Chemistry · Question 66

NEET 2017 Chemistry, question 66

Question 66 of the NEET 2017 paper (code A) is a Chemistry question from Coordination Compounds. Its idea, Werner's Theory: Precipitation Calculations, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.

Updated 2026-10-08

Q66 · Chemistry

The correct order of the stoichiometries of AgCl formed when AgNO3\mathrm{AgNO_3} in excess is treated with the complexes : CoCl3.6NH3\mathrm{CoCl_3.6NH_3}, CoCl3.5NH3\mathrm{CoCl_3.5NH_3}, CoCl3.4NH3\mathrm{CoCl_3.4NH_3} respectively is :

  1. 11 AgCl, 3 AgCl, 2 AgCl
  2. 23 AgCl, 1 AgCl, 2 AgCl
  3. 33 AgCl, 2 AgCl, 1 AgClOfficial answer
  4. 42 AgCl, 3 AgCl, 1 AgCl

Official answer: option 3 · CBSE official answer key

Same idea

The only question on Werner's Theory: Precipitation Calculations

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

Werner's Theory: Precipitation Calculations: 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.

Coordination Compounds: questions per paper

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