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Chemistry - Carboxylic Acid Derivatives

Practise 14 WBJEE previous year questions on Carboxylic Acid Derivatives, compiled from papers spanning 2013 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty WBJEE tests.

Carboxylic Acid Derivatives has been asked in 9 of the 18 years of WBJEE papers analysed (2009–2026), with 14 questions in all. 43% of them were easy, 50% moderate and 7% tough. Most of its questions came from 2019, with 3 questions that year. In the last three years (2024–2026) it had 2 questions across 3 papers, about 0.7 per paper.

The chapter's 4 topics are not weighted equally: Preparation and Properties of Acid Derivatives (7 questions, 50%), Preparation and Properties of Carboxylic Acids (5 questions, 36%), and Reaction Involving Cleavage of –OH Group (1 question, 7%) have been asked the most. Over the last five years the most frequent topics have been Preparation and Properties of Carboxylic Acids (2) and Preparation and Properties of Acid Derivatives (1). Preparation and Properties of Acid Derivatives has produced the most tough questions (1).

  1. 1Arrange the following compounds in order of their increasing acid strength2025Preparation and Properties of Carboxylic Acids
  2. 2The compounds A and B are respectively2024Preparation and Properties of Acid Derivatives
  3. 3What is the correct order of acidity of salicylic acid, 4-hydroxybenzoic acid, and dihydroxybenzoic acid?2022Preparation and Properties of Carboxylic Acids
  4. 4For the above three esters, the order of rates of alkaline hydrolysis is2020Preparation and Properties of Esters
  5. 5The correct order of acidity for the following compounds is:2020Preparation and Properties of Carboxylic Acids
  6. 6One of the products of the following reaction is . Structure of is2019Preparation and Properties of Carboxylic Acids
  7. 7The compound is2019Preparation and Properties of Acid Derivatives
  8. 8The compound, which evolves carbon dioxide on treatment with aqueous solution of sodium bicarbonate at is2019Preparation and Properties of Acid Derivatives
  9. 9The ease of hydrolysis in the compounds and (IV) is of the order2018Preparation and Properties of Acid Derivatives
  10. 10Identify in the following sequence of reactions2018Preparation and Properties of Acid Derivatives
  11. 11The correct order of acid strengths of benzoic acid peroxybenzoic acid and -nitrobenzoic acid is2017Preparation and Properties of Carboxylic Acids
  12. 12The conversion of to can be accomplished by2017Preparation and Properties of Acid Derivatives
  13. 13Amongst the following compounds, the one(s) which readily react with ethanolic KCN.2016Reaction Involving Cleavage of –OH Group
  14. 14The best method for preparation of is2013Preparation and Properties of Acid Derivatives

Frequently Asked Questions

1.How many questions are available for Carboxylic Acid Derivatives?

This chapter includes 14 questions compiled from WBJEE papers spanning 2013 to 2025.

2.Are these questions only from WBJEE, or from other exams too?

These are WBJEE questions specifically for the Carboxylic Acid Derivatives chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Carboxylic Acid Derivatives an important chapter for WBJEE Chemistry?

Carboxylic Acid Derivatives has appeared in 9 of the 18 years of WBJEE papers covered here, with 14 questions across 9 papers - about 2 per paper it appears in.

4.What is the difficulty level of Carboxylic Acid Derivatives questions in WBJEE?

Of the 14 questions analysed for this chapter, 43% are easy, 50% moderate and 7% tough. 2019 had the most, with 3 questions.

5.Which topics in Carboxylic Acid Derivatives should I focus on?

These topics have carried the most weightage in Carboxylic Acid Derivatives:

  • Preparation and Properties of Acid Derivatives - 7 questions (50%)
  • Preparation and Properties of Carboxylic Acids - 5 questions (36%)
  • Reaction Involving Cleavage of –OH Group - 1 question (7%)
  • Preparation and Properties of Acid Derivatives has produced the most tough questions (1).
6.Is Carboxylic Acid Derivatives's weightage in WBJEE going up or down?

Across all 9 papers analysed, Carboxylic Acid Derivatives has averaged about 1.6 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.