Arrange the following alcohols in increasing order of their acidity .
I.
II.
III. CH3CH2OH
I < II < III
III < I < II
III < II < I
I < III < II
As we learnt ,
Order of acidity of alcohols -
-
Phenol is more acidic having pH value 5 - 6 . While ethanal being primary alcohol is more acidic than 1 - methyl propan - 1 - ol which is 2o alcohol.