In the below reaction, the structural formula of (A), “X” and “Y” respectively are:

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Solution

The correct option is B

Explanation for the correct option:
The correct option (B)
The methoxy diazonium salt reacts with alcohol and form acetaldehyde.
(A): 4-methoxydiazonium salt
“X”: acetaldehyde
“Y”: hydrochloric acid
Final Answer: Therefore, option B is correct because all other options are invalid as of incorrect side product combinations.

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