Select Topics in Chemistry

Arrhenius concept, Bronsted-Lowry theory, general theory of solvent system, Lewis acid-base concept, HSAB principle and its applications.

Classification of solvents, physical properties of ionising solvents, water as universal solvent, liquid ammonia and liquid sulphur dioxide as solvent.

Nuclear particles, Soddy-Fajan’s displacement law (group displacement law); nuclear forces– forces operating between nucleons (n-n, p-p, n-p), quantitative idea of stability of nucleus, packing fraction, binding energy; nuclear reactions (fission and fusion reactions only); modes of decay; natural and artificial radio activity, transmutation, applications of radioactivity.

Self Study: Basics of fission and fusion reactions, half life period, radioactivity.

Data Analysis: errors in chemical analysis, classification of errors, accuracy and precision, minimisation of errors; significant figures; statistical analysis – mean and standard deviation; relative standard deviation coefficient of variance, sampling in analysis, rejection of results, presentation of data.

Gravimetric analysis: theory of precipitation, co-precipitation, post-precipitation from homogeneous solution and purification of precipitates.

Classification, basic principles of thin layer chromatography, paper chromatography and column chromatography; nature of adsorbent, solvent system, R_f values.