JEE MAIN - Chemistry (2023 - 30th January Morning Shift - No. 7)
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.
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Explanation
Aromatic aldehydes do not respond Fehling's test. $(\mathrm{B}),(\mathrm{C}),(\mathrm{D})$ are aromatic aldehydes.
If $\mathrm{N}$ and $\mathrm{S}$ attached with carbon atom give blood red with sodium nitroprusside gives a blood red colour but not prussian blue.
If $\mathrm{N}$ and $\mathrm{S}$ attached with carbon atom give blood red with sodium nitroprusside gives a blood red colour but not prussian blue.
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