Heavy Chemicals

Submitted by pradipta pramanik on Sun, 02/27/2011 - 13:12

Heavy Chemicals : Sulfuric acid (contact process), Ammonia (Haber’s process), Nitric acid (Ostwald’s process), sodium bi-carbonate and sodium carbonate (Solvey process).
Polymers, Polythene, Nylon-66, rubber from natural source, vulcanization.
Electrochemicals – sodium hydroxide, chlorine, bleaching powder as by-products.
Fuel Gases – LPG, CNG.
Silicon carbide and silicones.

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Aromatic Aldehydes

Aromatic Aldehydes – Preparation by Gattermann, Gattermann – Koch, Rosenmund and Stephen’s method. Reactions – Perkin, Benzoin and Cannizzaro.

Haloarenes

Haloarenes – Nucleophilic substitution, cine substitution (excluding mechanism).
Phenols – halogenation, sulfonation, nitration, Reimer-Tiemann and Kolbe reactions.

Aromatic Compounds

Aromatic Compounds

Aliphatic Compounds: Carboxylic Acids

Carboxylic Acids – Hydrolysis of esters (mechanism excluded) and cyanides; Hunsdicker and HVZ reactions.

Aliphatic Compounds: Aldehydes and Ketones

Aldehydes and Ketones – Preparation from esters, acid chlorides, gem-dihalides, Ca-salt of carboxylic acids.