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Question

What are anionic detergents? Give an example.


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Solution

Synthetic Detergents

  • Synthetic detergents are cleaning chemical agents that have all of the qualities of soap but include no soap.
  • Because they produce foam even in hard water, these can be used in both soft and hard water.
  • Synthetic detergents are divided into three types that are anionic detergents, cationic detergents, and nonionic detergents.

Anionic detergents

  • Sodium salts of sulfonated long-chain hydrocarbons or alcohols are used to make anionic detergents.
  • The anionic portion of the molecule is involved in the cleansing effect of anionic detergents.
  • They are generally utilized in the home. Toothpaste also includes anionic detergents.

Example of anionic detergents

  • By neutralizing alkyl benzene sulphonic acids with alkali, alkyl benzene sulphonates are formed.
  • The chemical reaction is as follows:-

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