Name the functional group of aldehyde and ketone
Carbonyl
The image shows the result obtained for ethanal, benzaldehyde, propanone and unknown Y for Brady's Test. What does this result indicate?
ehtanal, benzaldehyde, propanone and unknown Y contain carbonyl functional group
Describe the observation of the following result obtained for thanal, banzaldehyde propanone and unknown Y for Brady's Test
yellow/orange precipitate formed
What is the purpose of Fehling's Test?
To differentiate aliphatic aldehyde from aromatic aldehyde and ketone
The image shows the result obtained for ethanal, benzaldehyde, propanone and unknown Y respectively. Which compound gives positive result with Fehling's solution?
ethanal
Describe the colour change of ethanal for Fehling's test
blue solution turns to green and brick red precipitate formed
What is the purpose of Tollens' test?
To differentiate aldehyde and ketone
The image shows the result obtained for ethanal using Tollens test. Describe the colour obtained.
Silver mirror formed
Which of the following compound is expected to give result as shown in the image? ethanal, benzaldehyde or propanone?
ethanal and benzaldehyde
what is the purpose of iodoform test?
to identify methyl carbonyl group in aldehyde or ketone
Which compound is expected to give result as shown in the image?
ethanal, propanone, unknown Y
