Question

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

• A.
• B.
• C.
• D.

Hint:

In organic chemistry, the presence of functional groups such as nitrogen and sulfur can influence reactions like Fehling’s test and the reaction with sodium nitroprusside. Always check for the necessary elements involved in these reactions.

Answer 1

The Correct Option is A

Aromatic aldehydes do not give Fehling’s test. Both nitrogen and sulfur must be present to obtain the blood red colour. Sodium nitroprusside gives blood red colour with nitrogen and sulfur. Therefore, the compound in option (4) is the correct answer.