Rancid butter has the smell due to:

Correct answer: A. Butanoic acid

  • A. Butanoic acid
  • B. Propanoic acid
  • C. Ethanoic acid
  • D. Methanoic acid

Explanation

Rancid butter typically has a smell due to the presence of butanoic acid, also known as butyric acid. This compound is responsible for the characteristic unpleasant odor often associated with rancid butter.

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