Multiple choice

Methyl cyanide is ______

  1. Acetonitrile

  2. Acetic acid

  3. Formic acid

  4. Acetaldehyde

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A Correct answer
Explanation

Methyl cyanide (CH3CN) is systematically known as acetonitrile, the simplest nitrile compound. Acetic acid is CH3COOH, a carboxylic acid. Formic acid is HCOOH, the simplest carboxylic acid. Acetaldehyde is CH3CHO, an aldehyde. Methyl cyanide contains the nitrile functional group (-CN), not carboxylic acid or aldehyde groups.

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