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  • Which one of the following reactions will not yield propionic acid ?Option: 1 <img alt="\begin{aligned} &\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CCl}_{3}+\mathrm{OH}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \\ \end{aligned}" src="https://entran

Which one of the following reactions will not yield propionic acid ?
Option: 1 \begin{aligned} &\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CCl}_{3}+\mathrm{OH}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \\ \end{aligned}
Option: 2 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{3}+\mathrm{OI}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \\
Option: 3 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}+\mathrm{KMnO}_{4}(\mathrm{Heat}), \mathrm{OH}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \\
Option: 4 \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{Mg}, \mathrm{CO}_{2} \text { dry ether } / \mathrm{H}_{3} \mathrm{O}^{+}

Answers (1)

best_answer

The reaction given in option (4) yields Butanoic Acid

All other reactions give Propanoic Acid or Propionic acid.

Hence, the correct answer is option (4)

Posted by

sudhir.kumar

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