Chemistry
Part I
Textbook for Class XI
Reprint 2025-26
elims.indd 1 10/11/2022 4:01:56
, 2 chemistry
11082 – Chemistry Part I ISBN 81-7450-494-X (Part I)
Textbook for Class XI 81-7450-535-0 (Part II)
First Edition
ALL RIGHTS RESERVED
No part of this publication may be reproduced, stored in a retrieval system
or transmitted, in any form or by any means, electronic, mechanical,
March 2006 Phalguna 1927 photocopying, recording or otherwise without the prior permission of the
publisher.
Reprinted This book is sold subject to the condition that it shall not, by way of trade, be lent,
October 2006 Kartika 1928 re-sold, hired out or otherwise disposed of without the publisher’s consent, in
any form of binding or cover other than that in which it is published.
November 2007 Kartika 1929 The correct price of this publication is the price printed on this page. Any revised
January 2009 Magha 1930 price indicated by a rubber stamp or by a sticker or by any other means is
December 2009 Pausa 1931
incorrect and should be unacceptable.
November 2010 Kartika 1932
January 2012 Pausha 1933 OFFICES OF THE PUBLICATION
November 2012 Kartika 1934 DIVISION, NCERT
November 2013 Kartika 1935 NCERT Campus
December 2014 Pausa 1936 Sri Aurobindo Marg
New Delhi 110 016 Phone : 011-26562708
May 2016 Vaishakha 1938
January 2018 Magha 1939 108, 100 Feet Road
December 2018 Agrahayana 1940 Hosdakere Halli Extension
Banashankari III Stage
October 2019 Ashwina 1941 Bengaluru 560 085 Phone : 080-26725740
July 2021 Asadha 1943
August 2022 Bhadrapada 1944 Navjivan Trust Building
P.O.Navjivan
Revised Edition Ahmedabad 380 014 Phone : 079-27541446
October 2022 Ashwina 1944
CWC Campus
Reprinted Opp. Dhankal Bus Stop
Panihati
March 2024 Chaitra 1946 Kolkata 700 114 Phone : 033-25530454
June 2024 Jyaishtha 1946
January 2025 Pausha 1946 CWC Complex
Maligaon
Guwahati 781 021 Phone : 0361-2674869
PD 150T GS
© National Council of Educational
Research and Training, 2006, 2022 Publication Team
Head, Publication : M.V. Srinivasan
Division
Chief Editor : Bijnan Sutar
Chief Production : Jahan Lal
Officer (In charge)
` 180.00 Chief Business : Amitabh Kumar
Manager
Editor : Benoy Banerjee
Printed on 80 GSM paper with NCERT Assistant Production : Sayuraj A.R.
watermark Officer
Cover
Published at the Publication Division
Shweta Rao
by the Secretary, National Council of
Educational Research and Training, Illustrations
Sri Aurobindo Marg, New Delhi 110 016 Nidhi Wadhwa
and printed at Print Pack India, D-12, Sector, Anil Nayal
B-3, Trans Delhi Signature City (Tronica City)
Industrial Area, Loni, Ghaziabad (U.P.) 201101
Reprint 2025-26
elims.indd 2 10/01/2025 11:1
Part I
Textbook for Class XI
Reprint 2025-26
elims.indd 1 10/11/2022 4:01:56
, 2 chemistry
11082 – Chemistry Part I ISBN 81-7450-494-X (Part I)
Textbook for Class XI 81-7450-535-0 (Part II)
First Edition
ALL RIGHTS RESERVED
No part of this publication may be reproduced, stored in a retrieval system
or transmitted, in any form or by any means, electronic, mechanical,
March 2006 Phalguna 1927 photocopying, recording or otherwise without the prior permission of the
publisher.
Reprinted This book is sold subject to the condition that it shall not, by way of trade, be lent,
October 2006 Kartika 1928 re-sold, hired out or otherwise disposed of without the publisher’s consent, in
any form of binding or cover other than that in which it is published.
November 2007 Kartika 1929 The correct price of this publication is the price printed on this page. Any revised
January 2009 Magha 1930 price indicated by a rubber stamp or by a sticker or by any other means is
December 2009 Pausa 1931
incorrect and should be unacceptable.
November 2010 Kartika 1932
January 2012 Pausha 1933 OFFICES OF THE PUBLICATION
November 2012 Kartika 1934 DIVISION, NCERT
November 2013 Kartika 1935 NCERT Campus
December 2014 Pausa 1936 Sri Aurobindo Marg
New Delhi 110 016 Phone : 011-26562708
May 2016 Vaishakha 1938
January 2018 Magha 1939 108, 100 Feet Road
December 2018 Agrahayana 1940 Hosdakere Halli Extension
Banashankari III Stage
October 2019 Ashwina 1941 Bengaluru 560 085 Phone : 080-26725740
July 2021 Asadha 1943
August 2022 Bhadrapada 1944 Navjivan Trust Building
P.O.Navjivan
Revised Edition Ahmedabad 380 014 Phone : 079-27541446
October 2022 Ashwina 1944
CWC Campus
Reprinted Opp. Dhankal Bus Stop
Panihati
March 2024 Chaitra 1946 Kolkata 700 114 Phone : 033-25530454
June 2024 Jyaishtha 1946
January 2025 Pausha 1946 CWC Complex
Maligaon
Guwahati 781 021 Phone : 0361-2674869
PD 150T GS
© National Council of Educational
Research and Training, 2006, 2022 Publication Team
Head, Publication : M.V. Srinivasan
Division
Chief Editor : Bijnan Sutar
Chief Production : Jahan Lal
Officer (In charge)
` 180.00 Chief Business : Amitabh Kumar
Manager
Editor : Benoy Banerjee
Printed on 80 GSM paper with NCERT Assistant Production : Sayuraj A.R.
watermark Officer
Cover
Published at the Publication Division
Shweta Rao
by the Secretary, National Council of
Educational Research and Training, Illustrations
Sri Aurobindo Marg, New Delhi 110 016 Nidhi Wadhwa
and printed at Print Pack India, D-12, Sector, Anil Nayal
B-3, Trans Delhi Signature City (Tronica City)
Industrial Area, Loni, Ghaziabad (U.P.) 201101
Reprint 2025-26
elims.indd 2 10/01/2025 11:1
