MCAT Organic Chemistry Question 63: Answer and Explanation
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Question: 63
3. The IUPAC name of this molecule is:
- A. ethane-1,2-diol.
- B. propane-1,2-diol.
- C. dimethanol.
- D. dipropanol.
Correct Answer: B
Explanation:
Remember, diols are named after the parent alkane, with the position of the alcohols indicated, and ending in the suffix –diol. Here the carbon chain is three carbons, with a hydroxyl group on carbons 1 and 2. Thus, the name is propane-1,2-diol.