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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 4 April 2024, Shift 1, Chemistry Q75

Question 75 of 90 in this shift, Chemistry question 15 of 30, Section A.

Which among the following is incorrect statement ?
  1. (1)The organic compound shows electromeric effect in the presence of the reagent only.
  2. (2)The electromeric effect is, temporary effect
  3. (3)Electromeric effect dominates over inductive effect
  4. (4)Hydrogen ion (H+\mathrm{H^+}) shows negative electromeric effectOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Organic Chemistry: Some Basic Principles and Techniques
Topic
Inductive and Electromeric Effects
Idea tested
Electromeric Effect

Same topic in other shifts

All Inductive and Electromeric Effects questions
  1. 4 Apr 2026, Shift 1 · Q63Increasing order of electron withdrawing power of following functional groups is: a. −CN-\mathrm{CN} b. −COOH-\mathrm{COOH} c.…MediumSingle correct
  2. 5 Apr 2026, Shift 1 · Q63Given below are two statements: Statement I: On the basis of inductive effect, the order of stability of alkyl carbanions is…EasyTwo statements
  3. 4 Apr 2025, Shift 2 · Q63In which pairs, the first ion is more stable than the second ? (A) [figure: 1-methoxycyclohexyl cation] & [figure: 1-methylcyclohexyl…MediumOtherHas a figure
  4. 4 Apr 2024, Shift 2 · Q74Correct order of stability of carbanion is -MediumDiagram basedHas a figure
  5. 30 Jan 2024, Shift 2 · Q73The correct stability order of carbocations isEasySingle correct
  6. 10 Apr 2023, Shift 2 · Q73The decreasing order of hydride affinity for following carbocations is: A. CH2=CH−C+(CH3)−CH3\mathrm{CH_2=CH-\overset{+}{C}(CH_3)-CH_3} (carbocation…HardOtherHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.