Convert benzene into:

Convert benzene into:
(a) acetophenone.
(b) Explain Huckle rule of aromaticity.
© m-chloronitrobenzene.

(b) According to Huckel rule, the necessary Conditions for any system to be aromatic are :
(i) The molecule should be planar
(ii) It should be cyclic with alternate single and
double bonds and the cyclic 71 {{e}^{-}} cloud should surround all the carbon atoms of the ring.
(iii) It should contain (4M + 2) n elctrons where n = 1,2,3,… etc.