Chapter 24 Carboxylic Acids Notes - Class 10 Chemistry Punjab Board

Chapter-wise notes for Class 10 Chemistry Chapter 24, Carboxylic Acids, prepared for Punjab Board students, with solved exercises, MCQs, and numericals available to read online.

This page provides Class 10 Chemistry Chapter 24, Carboxylic Acids, notes for Punjab Board students following the PCTB syllabus for the 2026-2027 session. It includes solved textbook exercises, conceptual MCQs, short and long questions, and reaction equation numericals on the preparation of ethanoic acid (oxidation of ethanol and oxidative fermentation), acidic reactions with metals, bases, and carbonates, Fischer esterification, and industrial uses in flavors, solvents, and synthetic fibers, available to read online for Matric Part 2 / SSC Part 2 students.
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Chapter Overview

Chapter 24 of Class 10 Chemistry, Carboxylic Acids, focuses on organic acids characterised by the carboxyl functional group (-COOH), highlighting acetic acid (ethanoic acid, CH3COOH). The chapter details laboratory synthesis via the chemical oxidation of ethanol using acidified potassium dichromate (K2Cr2O7 / H2SO4) alongside industrial preparation through microbiological oxidative fermentation of ethanol using Acetobacter bacteria to produce commercial vinegar.

The chapter explores typical acidic reactions of carboxylic acids, demonstrating proton donation in reactions with active metals (forming metal carboxylates and hydrogen gas), bases (neutralization yielding salt and water), and metallic carbonates or bicarbonates (producing rapid effervescence of carbon dioxide gas). It places special emphasis on acid-catalyzed Fischer esterification, where carboxylic acids react reversibly with alcohols in the presence of concentrated sulphuric acid to yield pleasant-smelling esters, which serve as essential flavoring agents in confectionery, solvents for paints and lacquers, and monomers in polyester synthetic fibers.

Carboxylic Acids is a core topic in Punjab Board Matric Part 2 chemistry exams, regularly appearing in chemical equation questions, distinguishing tests between alcohols and carboxylic acids, and ester preparation mechanisms. These SLO-based solved notes for the 2026-2027 academic session ensure students across Lahore, Faisalabad, Rawalpindi, Gujranwala, Multan, and all Punjab BISE boards master organic reaction pathways and achieve top exam grades.

FAQs

Are these Chapter 24 Carboxylic Acids notes according to Punjab Board syllabus?
Yes, these notes follow the official Punjab Curriculum and Textbook Board (PCTB) syllabus for Class 10 Chemistry Chapter 24, aligned with Student Learning Outcomes for the 2026-2027 session.
Do these notes include solved exercises?
Yes, all textbook exercise questions from Chapter 24 are thoroughly solved, covering ethanoic acid synthesis, acidic ionization equations, esterification mechanisms, and commercial applications.
Are MCQs included in these chapter notes?
Yes, solved multiple-choice questions covering functional group tests, oxidizing agents (acidified K2Cr2O7), vinegar fermentation by Acetobacter, and fruity ester scents are included.
Are numericals included in these notes?
Yes, molar stoichiometry calculations for esterification yields, neutralization titration problems, and percentage purity calculations from Chapter 24 are solved step by step.
Can students read these chapter notes online?
Yes, students can read Class 10 Chemistry Chapter 24 notes online directly on this page via the integrated document viewer on any device.
Are these notes useful for Punjab Board exams?
Yes, high-yield board exam questions such as preparation of acetic acid, distinguishing tests with carbonates, and esterification equations are thoroughly prepared for top marks.
Who should use these chapter notes?
Class 10 Matric Part 2 and SSC Part 2 students across all Punjab Boards (Lahore, Rawalpindi, Faisalabad, Multan, Gujranwala, and others) and chemistry educators.
Are these notes based on the latest PCTB / PECTAA syllabus?
Yes, these notes strictly follow the updated SLO-based PCTB and PECTAA curriculum guidelines for the 2026-2027 academic session.
Are these chapter notes free for students?
Yes, all Chapter 24 Carboxylic Acids notes on MaryamNotes.pk are 100% free to read online for revision and exam preparation.