Learn

Friday, 9 October

NEET UG 2020 · Chemistry · Question 112

NEET 2020 Chemistry, question 112

Question 112 of the NEET 2020 paper (code E1) is a Chemistry question from Organic Chemistry - Some Basic Principles and Techniques. Its idea, Hyperconjugation Stability, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q112 · Chemistry

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following ?

  1. 1−I-I effect of −CH3-\mathrm{CH_3} groups
  2. 2+R+R effect of −CH3-\mathrm{CH_3} groups
  3. 3−R-R effect of −CH3-\mathrm{CH_3} groups
  4. 4HyperconjugationOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Hyperconjugation Stability

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

Hyperconjugation Stability: every question and how it was framed

The chapter

Organic Chemistry - Some Basic Principles and Techniques in ten years of NEET

22 questions from 2017–2026, asked in 10 of 10 papers, about 2.1 a paper. Electronic Effects alone had 4.

Chapter analysisStudy this chapter

Organic Chemistry - Some Basic Principles and Techniques: questions per paper

0243’173’181’192’201’212’222’233’243’252’26