Polyamides: Definition and Description
The polymers of amides are known as polyamides. They are fibrous substances. Commercially they are known as Nylon. Characteristically polyamides are very resistant to wear…
Chemistry
Property of Matter and their Classification
We are to use various materials in doing different work. We use of thousand of materials, starting with the water to wash our hands and…
Production of Detergent
Detergent: Detergent or synthetic clearing agent is the sodium salt of long chained alkyl/aryl hydrogen sulphate or sulphonate or alkylated fenoxy/ ammonium compounds. The general…
Detergent vs Soap: Which is Better
Detergent is better than soap for the following reasons: (i) Soap does not work well in hard water since the Ca2+; Mg2+ ions of hard…
Production of Soap
The Sodium (Na) and Potassium (K) -salts of higher fatty acids are known as “Soap”. The general formula of soap is R-COONa or R-COOK, (R…
Oil and Fat: Comparison
Oil and fat together are called lipid. Oil and fat are the mixture of the esters of higher fatty acids and glycerol (chemically they are…
Preparation of Polyesters
Preparation of Polyesters They are polymers those can be produced by polymerization of esters formed due to condensation reaction between di-carboxyllic acid & di-hydric alcohol.…
Preparation of Esters
Preparation of Esters: From acid by Esterification: If carboxylic acid & alcohol are heated with conc. H2SO4 or HC1(g), ester & water are produced. The…
What are Esters?
Esters are derivative of carboxylic acids in which the -OH group has been replaced by -OR group, where R may be an alkyl / aryl…
Physical Properties of Acid Derivatives
Physical properties of Acid Derivatives: 1. Acid chloride, Ester & Acid Anhydride: Volatileness: Acid chloride, ester & acid anhydrides can’t form H-bond by themselves. So…
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