Assertion(A): -OH group activates benzene ring at Ortho and para positions for the attack by an electrophile.Reason(R): +M effect of -OH group increases electron density at Ortho and para positions of benzene ring

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Assertion(A): -OH group activates benzene ring at Ortho and para positions for the attack by an electrophile.

Reason(R): +M effect of -OH group increases electron density at Ortho and para positions of benzene ring

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"A" true , "R" true and "R" explain "A"

"A" true, "R" true and "R" does not explain "A"

"A" true "R" false

"A" false "R" true

answer is A.

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Detailed Solution

+’M' effect explains orientation effect

+M > -I effect

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