Addition reaction do not occur readily with benzene .
As we know addition reaction takes at the double bond site .
But in case of the benzene ring , the double bond is not have a particular position . there occurs resonance , means the pi- electrons are delocalized to make the structure more stable . thus benzene is resonating structure .
The delocalization of pi-electron is called as resonance .
Thus benzene does not show addition reaction because of resonance stabilization .
Addition reaction :
CH3-CH=CH2 + HBr ==> CH3-CH(Br) -CH3
this is due to Markownikoff's rule .
Learn more about resonance here :
brainly.com/question/13741444
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