Which acid is used in the manufacture of plastics?
Correct answer: B. Acetic Acid
- A. Carbolic Acid
- B. Acetic Acid
- C. Carbonic Acid
- D. Oxalic Acid
Explanation
Explanation:Acetic acid is used in the manufacture of plastics such as poly vinyl acetate (rayon) and cellulose acetate (silk).Carbolic acid, also known as phenol, is not used in the manufacture of plastics.Carbonic acid is not used in the manufacture of plastics.Oxalic acid is also not commonly used as a monomer in the manufacture of plastics.
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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About Reactivity of Carboxylic Acids
Carboxylic acids show acidic behaviour because their carboxylate ions are resonance-stabilised, and electron-withdrawing groups can change their strength. Reactions include neutralisation, esterification, formation of acid chlorides and amides, reduction, decarboxylation and substitution at the acyl carbon, which differs from the reactions of phenols.
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