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Question
Which of the following species is expected to have maximum enthalpy in an electrophilic aromatic substitution reaction?
Which of the following species is expected to have maximum enthalpy in an electrophilic aromatic substitution reaction?
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Solution
The correct option is A Species (II)
In structure two, two partial positive charges are close enough. Hence, they strongly replace each other. Also the electrophile (an electronegative atom such as chlorine) bears a partial positive charge. Hence, this structure will have maximum enthalpy.
In structure two, two partial positive charges are close enough. Hence, they strongly replace each other. Also the electrophile (an electronegative atom such as chlorine) bears a partial positive charge. Hence, this structure will have maximum enthalpy.
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