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Q.

CH₃CHO and C₆H₅CHO can be distinguished by

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a

Baeyers reagent

b

Tollens’ reagent

c

Schiff’s reagent

d

I₂ + NaOH

answer is D.

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Detailed Solution

CH₃CHO is the only aldehyde which reacts with NaOH and I₂ to give yellow crystals of Iodoform while C₆H₅CH₂CHO doesn't react with it.
So, iodoform test is used to distinguish of CH₃CHO and C₆H₅CH₂CHO compounds.

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