Question
Arrange the following compounds in increasing order of their property as indicated:
Benzoic acid, 4-nitrobenzoic acid, 2-nitrobenzoic acid, 2-Methyl benzoic acid (acid strength).
Solution
Benzoic acid < 2-Methyl benzoic acid < 4-Nitrobenzoic acid < 2, 4-Dinitrobenzoic acid.