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Amines
Amines are alkyl or aryl derivatives of NH 3 . Amines have pyramidal structure with bond angle around N depending upon size and number of alkyl groups linked to N atom. Amines can be prepared by i) Ammonolysis of alkyl halides ii) Reduction of nitro ..
iii) Solubility
Smaller amines are soluble in water but as the hydrophobic part of the amine becomes larger than six carbons, their solubility in water decreases and still larger amines are essentially insoluble in water. As the hydrogen bonds ..
Smaller amines are soluble in water but as the hydrophobic part of the amine becomes larger than six carbons, their solubility in water decreases and still larger amines are essentially insoluble in water. As the hydrogen bonds ..Basic Characters of Amines
(K b = 1.8 x 10 - 5 ). Like ammonia, amines are strong bases and react with mineral acids to form ammonium salts from which they can be liberated by treatment with a strong base like NaO..
Reaction with Hinsberg's Reagent (Benzene Sulphonyl Chloride)
Primary and secondary amines combine with benzene sulphonyl chloride (C 6 H 5 SO 2 Cl) to form sulphonamides. The product formed by the action of secondary amine on benzene sulphonyl chloride does not dissolve in an alkali. This is because there is no hy..
Primary and secondary amines combine with benzene sulphonyl chloride (C 6 H 5 SO 2 Cl) to form sulphonamides. The product formed by the action of secondary amine on benzene sulphonyl chloride does not dissolve in an alkali. This is because there is no hy..Physical Properties of Alcohols and Phenols
. Phenols too are sparingly soluble in water. The -OH group in alcohols and phenols contain a hydrogen bonded to an electronegative oxygen atom. Thus they form hydrogen bonds with water molecule..
. Phenols too are sparingly soluble in water. The -OH group in alcohols and phenols contain a hydrogen bonded to an electronegative oxygen atom. Thus they form hydrogen bonds with water molecule..Synthetic Detergents
They possess the desirable properties of ordinary soaps and can be used with hard water and in acidic solutions as well. Synthetic detergents are sodium salts of long chain benzene sulphonic acids or sodium salt of long chain alkyl hydrogen sulphates. Their calcium or ..
Synthetic Detergents
Synthetic Detergents - They possess the desirable properties of ordinary soaps and can be used with hard water and in acidic solutions as well. Synthetic detergents are sodium salts of long chain benzene sulphonic acids or sodium salt of long chain alkyl hydrogen sulph..
Acylation
Aliphatic and aromatic primary and secondary amines undergo acylation through nucleophilic substitution of acid derivatives such as acid halides or anhydrides to form amides. This reaction generates an acid which may react with the amine to form salt. Thus the ami..
Reaction with Nitrous Acid
So primary amines liberate N 2 with nitrous acid unlike 2 o and 3 o amines. So this can be used to distinguish 1 o amines from 2 o and 3 o amines. Secondary amines, both aliphaptic and aromatic on reaction with nitrous ..
Summary
Alcohols and Phenols are compounds containing -OH as the functional groups. In alcohols, the -OH group is attached to sp 3 hybridised carbon. In phenols, it is attached to sp 2 hybridised carbon of an aromatic ring. In ethers, oxygen atom is attached to two carbons atoms by two separate s..
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