
Chemistry XII — Class 12 Sindh Board book
Official Sindh Textbook Board (STBB), Jamshoro Chemistry textbook for Class 12 (English Medium). Neeche poori kitab online parhein ya official PDF download karein — bilkul muft.
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Chemistry XII — Class 12 — neeche scroll karte jayein, aglay safhay khud aa jayein ge. Zoom bhi kar sakte hain.
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Is kitab ke baare mein
This is the official Chemistry textbook for Class XII (Intermediate) published by the Sindh Textbook Board, Jamshoro, for the 2023-24 session, in English medium. It opens with the Chemistry of Representative Elements — s-block and p-block chemistry, flame tests, and sulphuric acid — then moves into d-block transition elements and coordination compounds.
The heart of the book is organic chemistry across six full chapters: from the sources and characteristics of organic compounds, through IUPAC nomenclature, hydrocarbons, alkyl halides and amines, alcohols-phenols-ethers, to two chapters on carbonyl compounds. It closes with applied units students find most relatable — Biochemistry, Industrial Chemistry, Environmental Chemistry and Spectroscopy — plus four appendices.
Each chapter header prints its teaching periods, assessment count and board-paper weightage, so the book itself tells you where the marks lie; every unit ends with solved examples and exercise questions in the board pattern.
Aham mozuaat
1. Chemistry of Representative Elements
Page 01
2. Chemistry of Outer Transition (d-Block) Elements
Page 34
3. Organic Compounds
Page 58
4. Nomenclature of Organic Compounds
Page 76
5. Hydrocarbons
Page 99
6. Alkyl, Halides and Amines
Page 137
7. Alcohols, Phenols and Ethers
Page 160
8. Carbonyl Compounds I: Aldehydes and Ketones
Page 188
9. Carbonyl Compounds II: Carboxylic Acid and Functional Derivatives
Page 204
10. Biochemistry
Page 217
11. Industrial Chemistry
Page 236
12. Environmental Chemistry
Page 252
13. Spectroscopy
Page 269
Ustad ka mashwara
Nomenclature (Ch 4) aur Hydrocarbons (Ch 5) ko mechanism-based parhain — IUPAC naming ke rules ratwaen nahi, har functional group ki 2-3 examples khud banwa kar check karwain.
— Rehman Ahmad Chaudhary, Head Teacher, GPS 117 DB(BJ), Yazman
Aksar pooche gaye sawalat
Is this the official STBB Chemistry book for Class XII?
Yes — the Sindh Textbook Board, Jamshoro edition for the 2023-24 session, English medium, the prescribed book for intermediate colleges in Sindh.
How do I download the full PDF?
Use the Official download button on this page to reach the book's page on the STBB eBooks portal, where the free PDF is hosted.
Which chapters carry the most marks?
The organic chemistry block (Chapters 3-9, more than half the book) dominates the paper, and each chapter header prints its own weightage percentage — check the chapter-1 opener style header before planning revision.
I saw a spelling 'Keytones' in the book — is that a mistake?
Yes. Chapter 8's header is printed in the book as 'Aldehydes and Keytones' — a printing typo. We list it as 'Aldehydes and Ketones'.
Class 12 ki mazeed kitabein
Disclaimer
Ye kitab Sindh Textbook Board (STBB), Jamshoro ki official publication hai. Download aur online reading STBB ke official e-books portal (ebooks.stbb.edu.pk) se faraham ki jati hai — sirf talimi maqsad ke liye. Malkiyat STBB ki hai; is site ka koi dawa nahi.