

Match the LIST-I with LIST-II: 
Choose the correct answer from the options given below:
Consider the following reaction of benzene. the percentage of oxygen is _______ %. (Nearest integer) 
The hydrocarbons such as Haloalkanes and Haloarenes are the ones, in which one or more hydrogen atoms are replaced with halogen atoms. The main difference between Haloalkanes and Haloarenes is that Haloalkanes are derived from open chained hydrocarbons, also called alkanes, and Haloarenes are derived from aromatic hydrocarbons.