Organic Tests Flashcards
1
Q
How to test for c double bond
A
Bromine water and shake at room temp
Orange to colourless
2
Q
Acidified potassium dichromate can test for
A
1 or 2 alcohols and aldehyde
Add with h2so4 heat under reflux
Orange to green
3
Q
What is tollens reagent test
A
Nh3 + naoh + agno3
Silver mirror if aldehyde present
4
Q
What is fehlings solution test
A
Cuso4 + naoh
Heat
Blue to orange if aldehyde is present
5
Q
Test for carboxylic acid
A
Sodium hydrogen carbonate
Effervescence
6
Q
Test for halogenoalkanes
A
Naoh + hno3 + agno3
Heat
Chloro white
Bromo cream
Iodo yellow
7
Q
Test for oh group
A
Pcl5 room temp
Steamy fumes
8
Q
Test for c double bond o group
A
2-4 DNPH
Yellow ppt
9
Q
Iodoform test
A
Add i2 and naoh
Tests for Methyl carbonyl
Yellow ppt
