Which one of the following reactions will not yield propionic acid? [JEE Main 2021, 27 Aug (Shift 2)]

\( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{3}+\mathrm{OI}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \)

\( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}+\mathrm{KMnO}_{4}\left(\right. \) Heat), \( \mathrm{OH}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \)

\( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CCl}_{3}+\mathrm{OH}^{-} / \mathrm{H}_{3} \mathrm{O}^{+} \)

\( \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{Mg}, \mathrm{CO}_{2} \) dry ether \( / \mathrm{H}_{3} \mathrm{O}^{+} \)