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Carbonyl Compounds and Carboxylic Acids — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryCarbonyl Compounds and Carboxylic Acids3 Marks
Question
Mention the uses of formaldehyde.
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Answer

  1. 40% aqueous solution of formaldehyde is called formalin. It is used for preserving biological specimens.
  2. Formalin has hardening effect, hence it is used for tanning.
  3. Formalin is used in the production of thermo setting plastic known as bakelite, which is obtained by heating phenol with formalin.

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