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Friday, 9 October

JEE Main Chemistry · Organic Chemistry: Some Basic Principles and Techniques

Relative Stability

Relative Stability (Organic Chemistry: Some Basic Principles and Techniques) was asked 3 times in 3 JEE Main shifts, 2024, out of the 42 shifts Lumi analysed.

Times asked
3
in 3 shifts
Years
2024
Usual format
Single correct
Conceptual
Pattern
New since 2024
repeats across shifts

How it is asked

  • Definition recall
  • Stability order of resonance structures

Difficulty

Easy 1Medium 2Hard 0

Where it sits

Chapter: Organic Chemistry: Some Basic Principles and Techniques. Topic: Resonance and Hyperconjugation, 15 questions over 6 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 9 Apr 2024, Shift 1 · Q71Relative stability of the contributing structures is : (I) CH2=CH−C∥O¨:−H\mathrm{CH_2=CH-\overset{\ddot{O}:}{\overset{\|}{C}}-H} ⟷\longleftrightarrow…MediumSingle correctHas a figure
  2. 9 Apr 2024, Shift 2 · Q73The correct stability order of the following resonance structures of CH3−CH=CH−CHO\mathrm{CH_3-CH=CH-CHO} is I:…MediumSingle correctHas a figure
  3. 29 Jan 2024, Shift 1 · Q73The difference in energy between the actual structure and the lowest energy resonance structure for the given compound isEasySingle correct