MHT CET · Chemistry · Carboxylic Acid Derivatives
What is the product obtained when phenylethene is treated with \(\mathrm{KMnO}_4\) in dilute \(\mathrm{H}_2 \mathrm{SO}_4\) ?
- A \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CHO}\)
- B \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{COOH}\)
- C \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}\)
- D \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3\)
Answer & Solution
Correct Answer
(C) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}\)
Step-by-step Solution
Detailed explanation
Acidic potassium permanganate oxidizes phenylethene to benzoic acid. This is called oxidative cleavage of alkenes.
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