1.CH3CH2COOH \xrightarrow{P/Br2} A \xrightarrow{alc. KOH/H+} B. B is:a.CH2=CH-COOHb.CH2Br-CHBr-COOHc.CH3CH2COBrd.CH3CH2OHLogin to continueOnly logged in users canattempt or see the solution.