Question : In which dialdehyde are two formyl groups attached to adjacent carbon centres on a benzene ring and form fluorescent conjugation products with primary amines?
Option 1: Phthalaldehyde
Option 2: Acetaldehyde
Option 3: Valeraldehyde
Option 4: Isobutyraldehyde
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Correct Answer: Phthalaldehyde
Solution : The correct answer is Phthalaldehyde .
Phthalaldehyde is a dialdehyde in which two formal groups are attached to adjacent carbon centres on a benzene ring. It forms a fluorescent conjugation product with primary amines. It is used as a disinfectant, mainly for dental and medical equipment.
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