Aryl Halides and Phenols - Result Question 31
Passage
Reimer-Tiemann reaction introduces an aldehyde group, on to the aromatic ring of phenol, ortho to the hydroxyl group. This reaction involves electrophilic aromatic substitution. This is a general method for the synthesis of substituted salicylaldehydes as depicted below.
34. The structure of the intermediate $I$ is

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Answer:
Correct Answer: 34. (b)
Solution: