Questions
Which one of the following carbocation is least stable
detailed solution
Correct option is B
Charge dispersal leads to stability; EDG disperse positive charge and increases the stability of carbocation;EWG intensify positive charge and decreases the stability of carbocation;At para position : -NO2-CN ....-I, -M . . . EWG; (-CN<-NO2) -CH3 . . . . +I, +R . . . EDG; ∴ stability ofSimilar Questions
In which of the following ortho/para substitution by an electrophile is very facile?
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