Experiment no. 3: Reactions of Alcohols and Phenols Flashcards
The title of experiment no. 3
Reactions of Alcohols and Phenols
A test for unsaturated hydrocarbons and primary and secondary alcohols
Baeyer’s Test
A test solely for determining primary and secondary alcohols
Jones Test
A test mainly for tertiary alcohols (fast) and secondary alcohols (slow)
Lucas Test
A test for phenols
Ferric Chloride Test
The reagent used in Baeyer’s Test
aq KMnO4 Potassium permangenate
The reagent used in Jones Test
K2Cr2O7 dissolved in H2SO4 Chromic Acid
The reagent used in Lucas Test
concentrated HCl and ZnCl2
The reagent used in Ferric Chloride Test
FeCl3 and iron (III)
Positive and negative reaction fir Baeyer’s Test
+ brown, -purple
Positive and negative reaction for Jones Test
+blue to green, -orange
Positive and negative reaction for Lucas Test
+cloudy, -clear
Positive and negative reaction for Ferric Chloride Test
+purple, -yellow
Explain the mechanism in Baeyers Test
1 alcohol= aldehyde= carboxylic acid
2 alcohol= ketone
oxidation using KMnO4
Explain the mechanism in Jones Test
1 alcohol= 3carboxylic acid, 9H2O, 2Cr(SO2)3
2 alcohol= 3ketone, 6H2O, 2Cr(SO4)3
