CHEMISTRYClass XI

CHEMISTRY[CLASS XI]

Strictly according to new syllabus prescribed byCentral Board of Secondary Education (CBSE)

andState Boards of Chhattisgarh, Haryana, Bihar, Jharkhand,

Kerala, Mizoram, Meghalaya, Punjab, Uttarakhand andother States following NCERT curriculum

ByDr. N.K. SHARMAM.Sc., M.Ed., Ph.D.

Lecturer in ChemistryNutan Vidya Mandir

Dilshad Garden, Delhi

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GOLDEN CHEMISTRY – XI

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Bran

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C— Printed at:

This book isdedicated

tomy father

Sh. Mitra Sen Sharma

WithImmense Love and Regards

Aim not for what you are,But what you could be,

Challenge yourself,Release your hidden potential.

CONTENTS

Pages

Syllabus (xi–xiv)1. Some Basic Concepts of Chemistry ... 12. Structure of Atom ... 433. Classification of Elements and Periodicity in Properties ... 1034. Chemical Bonding and Molecular Structure ... 1365. States of Matter ... 1936. Thermodynamics ... 2277. Equilibrium ... 2608. Redox Reactions ... 3329. Hydrogen ... 372

10. The s-Block Elements ... 40211. The p-Block Elements ... 43312. Organic Chemistry : Some Basic Principles and Techniques ... 47013. Hydrocarbons ... 53014. Environmental Chemistry ... 577

Solved Sample Paper—1 ... 596Solved Sample Paper—2 ... 604Solved Sample Paper—3 ... 613Unsolved Practice Paper—1 ... 621Unsolved Practice Paper—2 ... 625Unsolved Practice Paper—3 ... 629

( vii )

LETTER TO THE STUDENTSDear students,

In this age of nail-biting competition, it really helps to be well equipped in the subjectknowledge in order to break the ice in the competitive area. So, while the market is floodedwith numerous repetitions of books which mark your intellectuality and competency, we haveendeavoured to reach out to your wider examination needs in this edition. Keeping in mindthe broader comprehensive needs of the subject knowledge we have put in our best efforts inthis book.

I thankfully acknowledge the co-ordination and guidance of the respected ChairmanSir Mr. P. Singh, Principal Mr. J.S. Kellogg, Deputy Chairman Mr. Sanjay Singh and VicePrincipal Mr. C.B. Tiwari, Nutan Vidya Mandir, Dilshad Garden, Delhi.

I am highly thankful to my better half Ms. Bindu Sharma, who is always a source ofinspiration to me.

I am thankful to Dr. N.P. Dhaka (Principal), Mr. Bishan Lal (Principal), Dr. K.K. Madan(Principal). Dr. Azhar Aslam Khan, Dr. H.R. Modi, Mr. Mukesh Chand, Mr. N.A. Khan (DilshadGarden), Mr. A.N. Karan (Yamuna Vihar), Mr. Sandeep Rathi, Dr. Manoj Gupta, Ms. RanjanaSharma, Ms. Hardeep Kaur, Ms. Mamta Sharma, Ms. Anita Nayar, Ms. Sarita Taneja,Ms. Sangeeta Vaid, Mr. Sushil Khanna, Mr. Amit Choudhary, Mr. H.K. Sharma, Dr. AnilKumar, Dr. (Mrs.) Sunanda Talwar, Ms. Meenakshi Gupta, Ms. Seema Singh, Ms. AradhanaRoy, Mr. S.N. Gupta, Ms. Mamta Rampal, Mr. Balbir Singh, Ms. Suman, Ms. Sarita Tyagi,Mr. Amit Ahlawat, Ms. Jaiita Das, Mr. Prem Pal Singh, and all PGTs whose interaction hasalways encouraged me in developing this book.

Although I have taken care and laid down all efforts to remove any discrepancy whichmight have crept in, yet criticism or suggestions are always solicited from your end. Thankingyou in anticipation for your co-operation.

Please do write to author or our publishers.Wishing for your success.

— AUTHOR

( ix )

Golden Chemistry Class 11th New 2014

Publisher : Laxmi Publications ISBN : 9788131808139 Author : Dr. N.K.Sharma

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