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A ketone A(C(4)H(8)O) which undergoes a ...

A ketone `A(C_(4)H_(8)O)` which undergoes a haloform reaction gives compound B on reduction. B on heating with sulphuric acid gives a compound C whch forms mono-ozonide D. D on hydrolysis in presence of zinc dust gives only acetaldehyde E. Identify A,B,C,D and E. Write the reaction involved.

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