Give a chemical test to distinguish …
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Posted by Mohd Ali 5 years, 11 months ago
- 4 answers
Atul Singh Rajput 5 years, 11 months ago
Yogita Ingle 5 years, 11 months ago
Phenol and benzoic acid can be distinguished by ferric chloride test.
Ferric chloride test:
Phenol reacts with neutral FeCl3 to form an iron-phenol complex giving violet colouration.
6C6H5OH + FeCl3 →[Fe(OC6H5)6]3- + 3H+ + 3 Cl-
But benzoic acid reacts with neutral FeCl3 to give a buff coloured ppt. of ferric benzoate.
3C6H5OH + FeCl3 → (C6H5COO)3Fe + 3 HCl
Sukirti Sharma 5 years, 11 months ago
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Shivani Thakur 5 years, 11 months ago
1Thank You