What is the right chemical equation when FeCl3 (aq) is added to aqueous phenol? What is the name of the major product based on IUPAC? What is the type of reaction that occurred and what is the coordinate bond (why is it formed when Iron (III) chloride is added to aqueous phenol?)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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I am researching about Iron (III) chloride test for alcohols and phenols. As shown in the picture, I have found a lot of different chemical equations for the said qualitative test. My questions are:

  • What is the right chemical equation when FeCl3 (aq) is added to aqueous phenol?
  • What is the name of the major product based on IUPAC?
  • What is the type of reaction that occurred and what is the coordinate bond (why is it formed when Iron (III) chloride is added to aqueous phenol?)
Equations
3ArOH + FeCl3 → Fe(OAr)3 + 3HCI
Iron(III) Chloride - Pyridine Test for Water-Insoluble Phenols
Phenol
3 ArOH + FeCl3
Fe(OAr) 3
colored complex
6
FeCl3
OH
+6
+ Fecz
OH
> M F 51.
--8--|-(0)
Violet colour
complex
Ferric chloride phenol
violet
Coloured
complex
+3 HCL
13-
1³
+ 3 H™ + 3HCI
Transcribed Image Text:Equations 3ArOH + FeCl3 → Fe(OAr)3 + 3HCI Iron(III) Chloride - Pyridine Test for Water-Insoluble Phenols Phenol 3 ArOH + FeCl3 Fe(OAr) 3 colored complex 6 FeCl3 OH +6 + Fecz OH > M F 51. --8--|-(0) Violet colour complex Ferric chloride phenol violet Coloured complex +3 HCL 13- 1³ + 3 H™ + 3HCI
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