NEET UG 2018 · Chemistry · Question 71
NEET 2018 Chemistry, question 71
Question 71 of the NEET 2018 paper (code AA) is a Chemistry question from Coordination Compounds. Its idea, Metal Carbonyls and Nuclearity, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 2.
Updated 2026-10-08
Q71 · Chemistry
Iron carbonyl, is
- 1trinuclear
- 2mononuclearOfficial answer
- 3tetranuclear
- 4dinuclear
Official answer: option 2 · CBSE official answer key
Same idea
The only question on Metal Carbonyls and Nuclearity
No other NEET paper from 2017–2026 tested this exact idea.
Metal Carbonyls and Nuclearity: 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.