A ketone A, which undergoes haloform reaction, gives compound B on reduction. B on heating with sulphuric acid gives compound C, which forms mono-ozonide D. D on hydrolysis in the presence of zinc dust gives only acetaldehyde. Identify A, B and C. Write down the reactions involved.

Question

A ketone A, which undergoes haloform reaction, gives compound B on reduction. B on heating with sulphuric acid gives compound C, which forms mono-ozonide D. D on hydrolysis in the presence of zinc dust gives only acetaldehyde. Identify A, B and C. Write down the reactions involved. (A)  (B)  (C)  (D)

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Q. A ketone A, which undergoes haloform reaction, gives compound B on reduction. B on heating with sulphuric acid gives compound C, which forms mono-ozonide D. D on hydrolysis in the presence of zinc dust gives only acetaldehyde. Identify A,B and C. Write down the reactions involved.