question_answer

An aromatic compound , \[{{C}_{8}}{{H}_{10}},\]  on oxidation with acidic \[KMn{{O}_{4}}\] gives dibasic acid. The compound  on nitration gives three isomeric nitro derivatives. The compound  is

A) o-Xylene       

B)       m-Xylene      

C)   p-Xylene             

D)        Ethyl benzene

Correct Answer: B

Solution :

[b] The ortho compound on nitration (or halogenation or sulphonation or Friedel-Crafts reaction) gives two isomers; meta gives three, and para gives one compound\[(OMP=231)\]. So the answer is (2).