Environmental Chemistry
Common modes of pollution of air, water and soil. Ozone layer, ozone hole – important chemical reactions.
Green House effect; Smog; Pollution of water by domestic and industrial effluents; Pollutants–pesticides, fertilizers and plastics.
Aromatic Aldehydes – Preparation by Gattermann, Gattermann – Koch, Rosenmund and Stephen’s method. Reactions – Perkin, Benzoin and Cannizzaro.
Haloarenes – Nucleophilic substitution, cine substitution (excluding mechanism).
Phenols – halogenation, sulfonation, nitration, Reimer-Tiemann and Kolbe reactions.
Aromatic Compounds
Carboxylic Acids – Hydrolysis of esters (mechanism excluded) and cyanides; Hunsdicker and HVZ reactions.
Aldehydes and Ketones – Preparation from esters, acid chlorides, gem-dihalides, Ca-salt of carboxylic acids.
