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Assertion: In case of aryl halides, halogens are moderately deactivating. Reason: Halogens are ortho, para directing groups.A. If both assertion and reson are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - B Halogens are moderately deactivating. Because of their strong -I effect, overal electron density of benzene ring decreases. Due to resonance, the electron density on o- and p-positions is greater than that at the m-position hence, they are o- and p-directing groups. |
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