Br₂/AcOH Reaction TRAP 😱 | 90% Students Fail | JEE Organic Chemistry
Автор: CHEMISTRY FUNDA
Загружено: 2026-01-02
Просмотров: 536
Описание:
Given compound is acetanilide
Br₂/AcOH → electrophilic aromatic substitution
–NHCOCH₃ is activating & ortho/para directing
Steric hindrance ke wajah se para-bromination major
LiAlH₄ → amide reduction
–NHCOCH₃ → –NHCH₃ (secondary amine)
✔️ Correct option = (d)
In this JEE-level organic chemistry problem, acetanilide reacts with Br₂ in acetic acid, leading to para-bromination due to ortho–para directing nature of –NHCOCH₃ group.
On further treatment with LiAlH₄, the amide group is reduced to a secondary amine, not a primary amine — a very common JEE trap.
This question tests:
Electrophilic Aromatic Substitution
Directing effects
Amide reduction mechanism
📌 Must-watch for JEE Main 2026 & JEE Advanced aspirants.
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Br2 AcOH reaction
Acetanilide bromination
LiAlH4 amide reduction
JEE organic chemistry tricks
Electrophilic aromatic substitution
Para directing group chemistry
JEE main organic questions
NEET organic chemistry concepts
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