NEET UG 2017 · Chemistry · Question 46
NEET 2017 Chemistry, question 46
Question 46 of the NEET 2017 paper (code A) is a Chemistry question from Hydrocarbons. Its idea, Conformational Analysis, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 4.
Updated 2026-10-08
Q46 · Chemistry
With respect to the conformers of ethane, which of the following statements is true ?
- 1Bond angle remains same but bond length changes
- 2Bond angle changes but bond length remains same
- 3Both bond angle and bond length change
- 4Both bond angles and bond length remains sameOfficial answer
Official answer: option 4 · CBSE official answer key
Same idea
The only question on Conformational Analysis
No other NEET paper from 2017–2026 tested this exact idea.
Conformational Analysis: every question and how it was framed
The chapter
Hydrocarbons in ten years of NEET
25 questions from 2017–2026, asked in 10 of 10 papers, about 2.4 a paper. Hydrocarbons (Alkanes) alone had 9.