Multiple choice

CH3CH2CH2OH is

  1. Ethanol

  2. Propanol

  3. Butanol

  4. Butanoic acid

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CH3CH2CH2OH is the molecular formula for propanol. Counting the carbon atoms in the chain: there are 3 carbons (the parent chain is propane), and the -OH group indicates it is an alcohol (propanol). Ethanol has 2 carbons, butanol has 4, and butanoic acid is a carboxylic acid with 4 carbons.