Question:
In which of the following reactions, order of the reaction is 2? CH CH, OH HO D HCFC HÀ, HỌC H.coH H CH CH, 0 II 0 II CH, -C- CH

In which of the following reactions, order of the reaction is 2? CH CH, OH HO D HCFC HÀ, HỌC H.coH H CH CH, 0 II 0 II CH, -C- CH - CH,OH OH> CH, -C- CH = CH, OH HỌC - CH - Ph H+ Ph – CH = CH, CH, CI _ aq. OH CH, OH