Verified Solution • 2025–26 Session
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QJEEM19Ch1d92: JEE Main 2019 Chemistry - Class 11 JEEM19Ch1d92 Solution: Polysubstitution is a major drawback in:
Polysubstitution is a major drawback in:
Multiple Choice Options
- A Reimer Tiemann reaction
- B Friedel Craft's alkylation
- C Acetylation of aniline
- D Friedel Craft's acylation
Step-by-Step Verified Solution
Polysubstitution is a major drawback of Friedal–Craft alkylation.
–CH3 group in highly activating group due to +H effect, so after first time addition of -CH3 group in benzene ring the reactivity of the benzene ring increases.
–CH3 group in highly activating group due to +H effect, so after first time addition of -CH3 group in benzene ring the reactivity of the benzene ring increases.