Advertisements
Advertisements
प्रश्न
Give simple chemical tests to distinguish between the following pairs of compounds: Benzoic acid and Phenol
Advertisements
उत्तर १
(ii) Distinguish test between Benzoic acid and Phenol:
NaHCO3 Test: When Benzoic acid reacts with NaHCO3, brisk effervescence of CO2 gas evolved.
Phenol does not give this test.
C6H5OH + NaHCO3 → No Reaction.
उत्तर २
Benzoic acid and Phenol : Benzoic acid and phenol can be distinguish by FeCl3 tests. Both reacts with FeCl3 to give different colours. Phenol reacts with FeCl3 to give violet coloured precipitate while benzoic acid give buff coloured precipitate.
उत्तर ३
When treated with sodium bicarbonate, benzoic acid gives brisk effervescence due to evolution of carbon dioxide gas. No reaction takes place when phenol is treated with NaHCO3.
C6H5COOH + NaHCO3 → C6H5COONa + H2O + CO2
APPEARS IN
संबंधित प्रश्न
Write the final product(s) in each of the following reactions:
While separating a mixture of ortho and para nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reason.
Give the equation of the following reaction:
Bromine in CS2 with phenol.
Name the reagent used in the following reaction:
Bromination of phenol to 2, 4, 6-tribromophenol.
When phenol is treated with excess bromine water, it gives:
When Phenol is distilled with zinc dust, it gives:
Which of the following reactions is used to prepare salicylaldehyde?
Nitration is an example of aromatic electrophilic substitution and its rate depends upon the group already present in the benzene ring. Out of benzene and phenol, which one is more easily nitrated and why?
Write the chemical equation involved in the following reactions:
Acetylation of salicylic add
How can phenol be prepared from anisole? Give reaction.
