In the following reaction order, B is CH3CH2COOHRedP−−−→Br2AAlc.KOH−−−−−−→H+B
A
CH2=CH−COOH
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
CH3−CH2−COBr
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
CH3−CH(Br)−COOH
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
CH3−CH2−OH
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is ACH2=CH−COOH Reaction1 : Hell-Volhard-Zelinsky reaction involves the replacement of anα-hydrogen atom from from the alkyl group of a monocarboxylic acid by a halogen atom.
Reaction2 : Dehydrohalogenation reaction. CH3CH2COOHRedP−−−→Br2CH3−CH(Br)−COOHAlc.KOH−−−−−−→H+CH2=CH−COOH