Select Topics in Chemistry

Arrhenius concept, Bronsted-Lowry theory, general theory of solvent system, Lewis acid-base concept, HSAB principle, its theories and 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, nuclear models- Liquid drop model and shell model (elementary idea).
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,  column chromatography; HPLC and Ion- Exchange chromatography. Nature of adsorbent, solvent system, R_f values.