Question

Why the group having single bond on the benzene ring gives ortho and para product?

Answer 1

It is due to +R effect.

Due to +R effect electrons are donated towards the benzene ring...increasing electron density at ortho and para positions (by resonance)...hence an electrophile attach at ortho and para positions..

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Answer 2

Answer:

Due to +R Effect of ⌬ ring

Explanation:

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