Question

How will you distinguish between phenol and benzoic acid?

Solution

Phenol react with ferric chloride and forms iron phenol complex which is violet is colour . benzoic acid does not give this test.
$straight C subscript 6 straight H subscript 5 OH space plus FeCl subscript 3 space rightwards arrow space left square bracket Fe left parenthesis OC subscript 6 straight H subscript 5 right parenthesis subscript 6 right square bracket to the power of 3 minus end exponent space plus 3 straight H to the power of plus space plus space 3 Cl to the power of minus straight C subscript 6 straight H subscript 5 COOH space plus FeCl subscript 3 space rightwards arrow space No space reaction space$

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

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Aldehydes, Ketones And Carboxylic Acids

How will you distinguish between phenol and benzoic acid?

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of the following compounds.
Di-sec-butyl ketone

Write the structures of the following compounds.
4-fluoro acetophenone.

Write the structures of the following reactions:

Write the structures of products of the following reactions:

Arrange the following compounds in increasing order of their boiling points:
CH₃CHO, CH₃CH₂OH, CH₃OCH₃, CH₃CH₂CH₃.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Predict the products of the following reactions:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Aldehydes, Ketones And Carboxylic Acids

How will you distinguish between phenol and benzoic acid?

Some More Questions From Aldehydes, Ketones and Carboxylic Acids Chapter

Write the structures of the following compounds.Di-sec-butyl ketone

Write the structures of the following compounds.4-fluoro acetophenone.

Write the structures of the following reactions:

Write the structures of products of the following reactions:

Arrange the following compounds in increasing order of their boiling points:CH3CHO, CH3CH2OH, CH3OCH3, CH3CH2CH3.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions: Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions: Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.

Predict the products of the following reactions:

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Write the structures of the following compounds.
Di-sec-butyl ketone

Write the structures of the following compounds.
4-fluoro acetophenone.

Arrange the following compounds in increasing order of their boiling points:
CH₃CHO, CH₃CH₂OH, CH₃OCH₃, CH₃CH₂CH₃.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Ethanal, Propanal, Propanone, Butanone.

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions:
Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.