Advertisements
Advertisements
Question
Distinguish between:
C6H5-COCH3 and C6H5-CHO
Advertisements
Solution
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
RELATED QUESTIONS
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:
Pentan-2-one and Pentan-3-one
Oxidation of ketones involves carbon-carbon bond cleavage. Name the products formed on oxidation of 2, 5-dimethylhexan-3-one.
Acetaldehyde cannot show?
Ammonical silver nitrate solution is called
Write chemical test to distinguish between the following compounds:
Phenol and Benzoic acid
What is the composition of Fehling's reagent?
The major products formed in the following reaction sequence A and B are:

Choose the reaction which is not possible:
Match List-I with List-II:
| List-I (Reaction) |
List-II (Reagents/Condition) |
||
| A. | ![]() |
I. | ![]() |
| B. | ![]() |
II. | CrO3 |
| C. | ![]() |
III. | KMnO4/KOH, Δ |
| D. | ![]() |
IV. | (i) O3 (ii) Zn-H2O |
Choose the correct answer from the options given below:





