This course
will introduce you to various techniques used in the organic laboratory as
well as synthetic procedures and some methods of identification and
purification of organic compounds. The contents include : Safety in the
laboratory, Common laboratory apparatus, Basic laboratory techniques,
Weighing in the laboratory, Distillation – Separation of a mixture,
Purification – Recrystallization of benzoic acid, Extraction – Determination
of distribution coefficient, Measurement and density, Micro Method
Determination of Boiling Point of Hydrocarbons, Melting point determination,
Structures of Hydrocarbons - Experiment with Models, Reactions of
Hydrocarbons - Properties and Identification of Hydrocarbons, Alkene
Synthesis from Alcohol - Preparation of Cyclohexene From Cyclohexanol.
Author(s): National
Open University of Nigeria, School of Science and Technology
This is an
exhaustive collection of laboratory chemistry hands-on experiments based on
basic techniques and principles. Some of the most important experiments
involved are: determination of density, titration of acid and bases, gas
diffusion, and the study of reaction rates. Among this list are experiments
concerning Hess's Law, molar masses, and critical solution temperatures.
This is a teaching document designed to help students gain practical skills
in the quantitative and qualitative analysis, prepare solutions for various
chemical reactions, as well as ways of finding out the concentration of
acids and bases, explaining organic compound behavior.
This is a practical handbook for chemistry teachers to ensure guidance
on effective teaching of chemistry in laboratory experiments and to focus on
students' participation with their practical chemistry skills. Hence, it
emphasizes the value of getting students and developing their practical
chemistry skills. Mainly, the basic techniques required to teach practical
chemistry include the handbook as well as structured activities to ensure
chemical principles can be established for students to apply in real life
scenarios. It also provides teachers with resources to conduct experiments
that should be planned in an execution manner hence allow full comprehension
of the theory through practice.
Author(s): National Institute of Education, Sri
Lanka