List two tests for experimentally distinguishing between an alcohol and a carboxylic acid and describe how these tests are performed.
Test with NaHC03 solution in water.
On adding carboxylic acid to baking soda, carbon dioxide is liberated with brisk effervescence. On adding a solution of baking soda to alcohol, no brisk effervescence occurs.
Test with blue litmus solution.
Carboxylic acid turns blue litmus red.
There is no change in colour when a blue litmus solution is added to alcohol.