10th Class Chemistry Chapter 23 Notes 2026 PDF

Chapter 23: Monohydroxy Alkanes or Alcohols (New Syllabus)

The Class 10 Chemistry Chapter 23 Notes — Monohydroxy Alkanes or Alcohols have been freshly uploaded and are now available for free download in PDF format. These notes are prepared strictly according to the new syllabus (2026–27) and are ready to help you revise the chapter quickly before your exams.

Latest Update

As per the latest update in August 2026, these notes have been revised to match the current Punjab Curriculum and Textbook Board (PCTB) syllabus for Chemistry, Class 10. Every heading, definition, structural formula, and question in this chapter has been rechecked against the newest textbook edition so that students preparing for their board exams get 100% accurate and up-to-date material — no outdated content, no missing topics.

We Know You Are Looking for These Notes

If you’re reading this, chances are you’ve already searched “Class 10 Chemistry Chapter 23 notes” more than once today. You’re not alone — thousands of students across Punjab search for this exact chapter every exam season, because Monohydroxy Alkanes or Alcohols introduces the -OH functional group in a way that can feel confusing after just finishing the hydrocarbons chapter, where there was no functional group to worry about at all. Terms like hydroxyl group, ethanol, and fermentation often overlap with everyday knowledge in ways that make it hard to separate common understanding from exam-ready definitions. The good news is, you’re just one click away. These notes have been written in simple, exam-friendly language, broken down heading by heading, so that even a student who just got comfortable with alkanes and alkenes in the last chapter can confidently explain how ethanol is prepared and why it behaves so differently from a plain hydrocarbon.

Why This Subject Matters

Alcohols are one of the most widely used classes of organic compounds, showing up in everything from hand sanitizers and fuels to the preservatives used in cosmetics and pharmaceuticals. Chapter 23 introduces students to the general structure of monohydroxy alcohols, focusing on ethanol as the key example, and covers how it’s prepared industrially through fermentation, as well as its physical and chemical properties and its many everyday uses. This chapter builds directly on the concept of functional groups introduced in the Organic Chemistry chapter and sets up important comparisons that come up again in the Carboxylic Acids chapter that follows.

All Chapters – Class 10 Chemistry Notes (New Syllabus)

Below is the complete chapter-wise list for Matric Part 2 Chemistry. You can find Monohydroxy Alkanes or Alcohols at Chapter 23 (Chapter 10 of the Class 10 portion), along with links to every other chapter in both English and Urdu medium.

Chapter 23 Breakdown: Monohydroxy Alkanes or Alcohols

This chapter has been split into four easy-to-revise sections so you can study exactly what you need, right before a test or a board paper.

MCQs (New Syllabus)

Objective-type questions covering key terms like hydroxyl group, ethanol, fermentation, and monohydroxy alcohol — perfect for quick daily revision and for practicing the objective portion of your paper.

Short Questions (New Syllabus)

Two-to-three-line answers on core concepts such as the general formula of alcohols, the fermentation process used to prepare ethanol, and common uses of ethanol in daily life — exactly the kind of questions that appear most frequently in board exams.

Long Questions (New Syllabus)

Detailed, exam-length answers explaining topics in depth, such as a complete explanation of the fermentation process for preparing ethanol, the physical and chemical properties of alcohols, and the industrial and medicinal uses of ethanol.

Exercise Questions (New Syllabus)

Solved answers to every question given at the end of the chapter in your textbook, so you never have to guess whether your homework answer is correct.

Available for All Punjab Boards

These notes are prepared according to the Punjab Curriculum and Textbook Board syllabus, which means they are equally valid and useful for students appearing under any of the following boards:

• BISE Lahore
• BISE Gujranwala
• BISE Faisalabad
• BISE Multan
• BISE Sargodha
• BISE Rawalpindi
• BISE Sahiwal
• BISE Bahawalpur
• BISE DG Khan

Students appearing under the Federal Board (FBISE) Islamabad can also use these notes, as the new syllabus content is largely aligned across boards following the Single National Curriculum.

Benefits of Downloading These Notes

• Covers every heading of Chapter 23 in simple, exam-friendly language
• Prepared and reviewed by experienced chemistry teachers
• Includes solved MCQs, Short Questions, Long Questions, and Exercise Questions in one place
• Explains the fermentation process and properties of ethanol using clear, relatable examples
• Saves you the time of making notes from scratch before exams
• Available completely free of cost, with no hidden registration required
• Formatted for quick last-night-before-the-paper revision
• Available in both English medium and Urdu medium PDF versions
• Helps you score better marks by focusing on exactly what examiners ask

Preparing from organized, chapter-wise notes instead of jumping around a thick textbook is one of the simplest ways to save time and reduce exam stress. Whether you’re revising a day before your test or finally understanding how the hydroxyl group changes everything this week, these notes are structured so you always know exactly where you are in the chapter.

How to Download

1. Scroll to the chapter table above and locate Chapter 23 – Monohydroxy Alkanes or Alcohols.
2. Choose your preferred medium — English or Urdu.
3. Click the View/Download button to open the PDF.
4. Save it to your device or print it out for offline study.

No sign-up, no payment, and no waiting — the notes open directly in your browser and can be downloaded in a single tap.

Related Subjects – Class 10 Notes

While you’re preparing your chemistry chapter, you might also need notes for your other subjects. Related Class 10 notes available on this platform include:

• Mathematics
• Physics
• Biology
• Computer Science
• English
• Urdu
• Pakistan Studies
• Islamiat
• General Math

All of these are organized the same way — chapter-wise, board-aligned, and free to download.

Join Our Learning Community

Stay updated with new chapter uploads, past papers, and guess papers by following along on our social platforms. Join our WhatsApp study group for instant notifications whenever new chapters are added, follow our Facebook page for daily exam tips, and subscribe to our YouTube channel for full video lectures that walk through each heading of this chapter — including a step-by-step look at the fermentation process — step by step.

Frequently Asked Questions (FAQs)

Q1: Are these Class 10 Chemistry Chapter 23 notes free to download?

Yes, all notes on this page — including MCQs, Short Questions, Long Questions, and Exercise Questions — are completely free with no hidden charges.

Q2: Which boards are these notes suitable for?

These notes follow the Punjab Curriculum and Textbook Board syllabus and are valid for all Punjab boards, including Lahore, Gujranwala, Multan, Faisalabad, and others, as well as FBISE Islamabad.

Q3: Do these notes cover the new syllabus (2026–27)?

Yes, these notes are fully updated according to the current Punjab Curriculum and Textbook Board syllabus for Class 10 Chemistry.

Q4: Does this chapter focus only on ethanol, or other alcohols too?

This chapter primarily focuses on ethanol as the main example of a monohydroxy alcohol, since it’s the most widely used and most exam-relevant compound in this category, though the general structure and properties apply to the broader alcohol family.

Q5: Are Urdu medium notes also available for this chapter?

Yes, both English medium and Urdu medium PDFs are available for Chapter 23 – Monohydroxy Alkanes or Alcohols.

Q6: How do I download the PDF notes?

Simply click the View/Download link next to Chapter 23 in the chapter table above, and the PDF will open for viewing or saving to your device.

Have a question about this chapter or found these notes helpful? Share your comments and questions below — we’re always updating our content based on student feedback.