Aldehydes And Ketones Question 6
Question 6 - 30 January - Shift 1
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
(1)
(2)
(3)
(4)
Show Answer
Answer: (4)
Solution:
Formula: Fehling’s Test
Aromatic aldehydes do not give Fehling’s test..
Both nitrogen and sulfur must be present to obtain blood red colour
Sodium nitroprusside gives blood red colour with
S & N.
