Chemistry, a branch of science concerned with the properties, structures
and composition of substances and their reactions with one another. Inorganic
Chemistry studies the preparation, properties and reactions of all chemical
elements and their compounds, except those of carbon. Organic Chemistry studies
the reactions of carbon compounds, which are 100 times more numerous than
nonorganic ones. It also studies an immense variety of molecules, including those
of industrial compounds such as plastics, rubber, dyes, drugs and solvents. Physical
Chemistry deals with the Physical properties of substances, such as their boiling
and melting points.
The present book is included for the students of higher secondary second
year. For convenience sake this text book of chemistry is published in two volumes.
This text book is written after following the revised syllabus, keeping in view the
expectations of the National Council of Educational Research & Training
(NCERT). This book will provide an “inverted pyramid” model to gain knowledge
in all branches of chemistry. The topics such as Atomic Structure - II, Periodic
Classification - II, Solid State - II, Thermodynamics - II, Chemical equilibrium -
II, Chemical Kinetics - II, Electrochemistry - I and II are designed in such a way
that students should have a continuous access to these topics. Hence, the
knowledge gained in higher secondary first year will help the students to have a
continuous access to these topics. The knowledge gained in +1 will help the
students to achieve excellence in the path of quest for chemical knowledge. Many
problems are introduced in inorganic, physical and organic chemistry to enhance
the quantitative aptitude of students. The quantitative aptitude will enable the
students to understand the concepts well.