CH3−CH3|C|−HCH=CH2
CH3−CH3|C=CHCH3
CH3−CH3|C|−HC|HCOCH3H3
CH3−CH3|C|−COCH3H2CH3
The correct option is CH3−CH3|C|−COCH3H2CH3In a polar protic solvent SN1 mechanism is favourable hence reaction complete via SN1 mechanism