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Which of the following acid is used as a "coagulant" for latex in the rubber industry?

Correct answer: A. Acetic acid

  • A. Acetic acid
  • B. Butyric acid
  • C. Propanoic acid
  • D. All of these options are correct

Explanation

OPTION A: Acetic acid is used as a coagulant for latex in the rubber industry.Acetic acid on dissolution gives Hydrogen ions.Latex is the fluid used to make rubber and is found in trees.For coagulating: The hydrogen ions of Acetic acid have a positive charge which on reacting with latex which is negatively charged helps in the formation of coagulation.Hence, A is the correct option.OPTION B: Butyric acid is used in the preparation of various butyrate esters. It is used to produce cellulose acetate butyrate (CAB), which is used in a wide variety of tools, paints, and coatings.OPTION C: Propanoic acids are used in the pesticides and pharmaceutical industry. They are also used as preservatives.OPTION D: It is an incorrect option.

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About Carboxylic Acids

Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.

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