Question
Arrange the following compounds in increasing order of their property as indicated:
Benzoic acid, 4-Nitrobenzoic acid, 3, 4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)
Solution
4-Methoxybenzoic acid < Benzoic acid < 4-nitrobenzoic acid < 3, 4-Dinitrobenzoic acid.