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Friday, 9 October

NEET UG 2017 · Chemistry · Question 62

NEET 2017 Chemistry, question 62

Question 62 of the NEET 2017 paper (code A) is a Chemistry question from Hydrocarbons. Its idea, Acidity and s-Character Correlation, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 2.

Updated 2026-10-08

Q62 · Chemistry

Which one is the correct order of acidity ?

  1. 1CH2=CH2>CH3−CH=CH2>CH3−C≡CH>CH≡CH\mathrm{CH_2=CH_2 > CH_3-CH=CH_2 > CH_3-C\equiv CH > CH\equiv CH}
  2. 2CH≡CH>CH3−C≡CH>CH2=CH2>CH3−CH3\mathrm{CH\equiv CH > CH_3-C\equiv CH > CH_2=CH_2 > CH_3-CH_3}Official answer
  3. 3CH≡CH>CH2=CH2>CH3−C≡CH>CH3−CH3\mathrm{CH\equiv CH > CH_2=CH_2 > CH_3-C\equiv CH > CH_3-CH_3}
  4. 4CH3−CH3>CH2=CH2>CH3−C≡CH>CH≡CH\mathrm{CH_3-CH_3 > CH_2=CH_2 > CH_3-C\equiv CH > CH\equiv CH}

Official answer: option 2 · CBSE official answer key

Same idea

The only question on Acidity and s-Character Correlation

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

Acidity and s-Character Correlation: 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 (Alkynes) alone had 4.

Chapter analysisStudy this chapterPractise this chapter

Hydrocarbons: questions per paper

0363’171’182’192’204’212’222’231’245’253’26