Arrange the following in increasing order of reactivity towards nitration

A. p-xylene

B. bromobenzene

C. mesitylene

D. nitrobenzene

E. benzene                          

Choose the correct answer from the options given below

In hypermetropia image formed by eye lens is beyond retina and is focussed to retina by a convex lens.

Cetyltrimethyl ammonium bromide is an example of Cationic detergent

Phenelzine is an example of Tranquilizer

Coca alkaloid or cocaine is obtained from Erythroxylum coca.