Which of the following chemical reactions could be used to distinguish between a polyunsaturated vegetable oil and a petroleum oil containing a mixture of saturated and unsaturated hydrocarbons? A) addition of bromine in carbon tetrachloride B) ozonolysis C) hydrogenation D) lipidification E) saponification

Option C

Explanation:

The main difference between a polysaturated and unsaturated fatty acid is double bond which is absent in the polysaturated fatty acid and is present in the unsaturated fatty acid. In a hydrogenation process, hydrogen molecule saturates the double or triple bonds in the presence of catalyst in an unsaturated fatty acid. Hence, in this way the hydrogenation can distinguish between the polysaturated and unsaturated hydrocarbon.

Hence, option C is correct