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NDA 1 2024 GAT, question 103

Topic: Chemistry

Q103

Which one among the following is present in the nettle leaf hairs that causes burning pain ?

  1. (a) Methanoic acidCorrect answer
  2. (b) Ethanoic acid
  3. (c) Benzoic acid
  4. (d) Acetic acid

Solution.

Answer: (a) Methanoic acid

  1. The school-level explanation identifies methanoic (formic) acid in nettle stings.
  2. Ethanoic acid and acetic acid are the same different acid.
  3. Real nettle-sting chemistry can also involve other biologically active substances.