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JEE Main202330 Jan 2023Morning ShiftChemistryAldehydes and KetonesActual

Which of the following compounds would give the following set of qualitative analysis? (i) Fehling’s Test: Positive (ii) Na fusion extract upon treatment with sodium nitroprusside gives a blood red colour but not prussian blue.

Correct answer

3

Step-by-step solution

Aromatic aldehydes do not respond Fehling's test. (A), (B), (C) are aromatic aldehydes. If N and S attached with carbon atom give blood red with sodium nitroprusside gives a blood red colour but not prussian blue.

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