Test For -OH Group

Question 1

How do you test for an OH group

Answer 1

1. To a few cm^3 of the liquid add a few crystals of PCl5

2. Test any gas released with a glass rod dipped in concentrated ammonia solution

Question 2

Describe a positive test (the observations)

Answer 2

Gas released
Misty fumes
Solid disappears
Heat released
White smoke with concentrated ammonia solution