Reactivity of E+ substitution∝πe− can be present on the aromatic compound.
Electrophilic substitution ∝+M∝−M1
∝+HC∝−HC1
∝+I∝−I1
(order of e− density α electrophilic substitution)
Ring e− density is highest.
So B>C>A>D
The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is: JEE Main 2019 Chemistry,…
JEE Main 2019 — Chemistry Organic Chemistry
2019mcqmedium
The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is:
Official previous-year question
Held on 9 Apr 2019 · Verified 6 Jul 2026.
Options
- A
A<B<C<D
- B
B<C<A<D
- C
D<B<A<C
- D
D<A<C<B
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