What do you understand by the following:

hydrocarbons
cbse

#1

What do you understand by the following:
(a) Markovnikow’s rule
(b) Huckel’s rule


#2

(a) Markovnikov Rule—This rule states that, 'the positive part of the addendum (adding molecule) gets attached to that carbon atom which possesses more number of hydrogen atoms, e.g.

(b) Huckel’s Rule—This rules state that all planar cyclic conjugated polyenes containing (4n + 2)
it electrons where, n- 0,1, 2, are aromatic in nature.