NEET UG 2021 · Chemistry · Question 58
NEET 2021 Chemistry, question 58
Question 58 of the NEET 2021 paper (code O1) is a Chemistry question from Some Basic Concepts of Chemistry. Its idea, Empirical and Molecular Formula, was asked twice, in 2021 and 2024, across NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q58 · Chemistry
An organic compound contains 78% (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is : [Atomic wt. of C is 12, H is 1]
- 1Official answer
- 2
- 3CH
- 4
Official answer: option 1 · NTA final answer key
Same idea
Empirical and Molecular Formula, in other papers
NEET asked this idea twice, in 2021 and 2024. The other question below.
- 2024 Q92A compound X contains 32% of A, 20% of B and remaining percentage of C. Then, the empirical formula of X is : (Given atomic masses of A =…Numerical · Medium
Empirical and Molecular Formula: every question and how it was framed
The chapter
Some Basic Concepts of Chemistry in ten years of NEET
14 questions from 2017–2026, asked in 9 of 10 papers, about 1.3 a paper. Mole Concept alone had 14.