NEET 2021 · ChemistryPrevious Year Question
What is the IUPAC name of the organic compound formed in the following reaction?
Answer: (B) 2-methylbutan-2-ol. \textbf{Answer:} (b) 2-methylbutan-2-ol \textbf{Solution:} The Grignard reagent adds to the carbonyl carbon of acetone .
- A.pentan-3-ol
- B.2-methylbutan-2-ol✓
- C.2-methylpropan-2-ol
- D.pentan-2-ol
Correct Answer
(B) 2-methylbutan-2-ol
Solution & Explanation
\textbf{Answer:} (b) 2-methylbutan-2-ol \textbf{Solution:} The Grignard reagent adds to the carbonyl carbon of acetone . After aqueous acidic workup, the alkoxide is protonated to give a tertiary alcohol: This is 2-methylbutan-2-ol.
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