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 Form 4 Chemistry: Organic Chemistry II Online Lessons

Advantages of soapless detergents over soap

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Answer Text:
Advantages of soapless detergents over soap;
1. They lather easily with hard water since the corresponding calcium and magnesium salts are soluble in water due to lack of the carboxylate ions.
2. Are mainly prepared from non-food raw materials.
3. They do not react with acidic water.
Note:
- Soapless detergents with branched chain alkyl groups are not easily broken down by bacteria and are therefore the cause of frothing in sewerage plants, rivers etc.
- Consequently modern industry is overcoming this disadvantage by making the detergents from alkylbenzene with straight chain alkyl groups.


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