Advertisements
Advertisements
प्रश्न
Distinguish between:
C6H5-COCH3 and C6H5-CHO
Advertisements
उत्तर
Acetophenone has methyl group attached to carbonyl carbon while benzaldehyde does not. Therefore, we can use iodoform test to distinguish between the two. Acetophenone will undergo iodoform test and give a yellow precipitate.

APPEARS IN
संबंधित प्रश्न
A and B are two functional isomers of compound C3H6O.On heating with NaOH and I2, isomer B forms yellow precipitate of iodoform whereas isomer A does not form any precipitate. Write the formulae of A and B.
Give a simple chemical test to distinguish between the following pair of compounds:
Phenol and Benzoic acid
Give a simple chemical test to distinguish between the following pair of compounds:
Benzoic acid and Ethyl benzoate
Complete the synthesis by giving missing starting material, reagent or product.

Which of the following compounds will give butanone on oxidation with alkaline \[\ce{KMnO4}\] solution?
Which of the following compounds gives a positive Tollen's test but negative Fehling's test?
Which sugar does not reduce Fehling's solution?

Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?
The correct set of products obtained in the following reactions:
- \[\ce{RCN ->[reduction]}\]
- \[\ce{RCN ->[(i) CH3MgBr][(ii) H2O]}\]
- \[\ce{RNC ->[hydrolysis]}\]
- \[\ce{RNH2 ->[HNO2]}\]
In Tollen's test for aldehyde, the overall number of electrons(s) transferred to the Tollen's reagent formula \[\ce{[Ag(NH3)2]+}\] per aldehyde group to form silver mirror is ______. (Round off to the nearest integer)
