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Question:

The major product of the following reaction is:-CH3−CH3|C|−HC|BrHCH3CH3OH−−−−−→

CH3−CH3|C|−HCH=CH2

CH3−CH3|C=CHCH3

CH3−CH3|C|−HC|HCOCH3H3

CH3−CH3|C|−COCH3H2CH3

Solution:

The correct option is CH3−CH3|C|−COCH3H2CH3
In a polar protic solvent SN1 mechanism is favourable hence reaction complete via SN1 mechanism