NEET UG 2023 · Chemistry · Question 66
NEET 2023 Chemistry, question 66
Question 66 of the NEET 2023 paper (code G6) is a Chemistry question from Surface Chemistry. Its idea, Homogeneous and Heterogeneous Catalysis, was asked twice, in 2017 and 2023, across NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q66 · Chemistry
Which one is an example of heterogenous catalysis?
- 1Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron.Official answer
- 2Oxidation of sulphur dioxide into sulphur trioxide in the presence of oxides of nitrogen.
- 3Hydrolysis of sugar catalysed by H ions.
- 4Decomposition of ozone in presence of nitrogen monoxide.
Official answer: option 1 · NTA final answer key
Same idea
Homogeneous and Heterogeneous Catalysis, in other papers
NEET asked this idea twice, in 2017 and 2023. The other question below.
- 2017 Q58Which one of the following statements is not correct ?One-line MCQ · Easy
Homogeneous and Heterogeneous Catalysis: every question and how it was framed
The chapter
Surface Chemistry in ten years of NEET
8 questions from 2017–2026, asked in 7 of 10 papers, about 0.8 a paper. Surface Chemistry and Colloids alone had 8.