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Despite their-I effect, halogens are o- ...

Despite their-I effect, halogens are o- and p- directing in haloarenes. Explain .

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Halogens have (-I) and (+R) effect , these groups are deactivating due to their (-I) effect and they are ortho, para directing due to (+R) effect.
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+I effect is shown by:

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Haloarenes are less reactive than haloalkanes and haloalkenes. Explain.

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In the following questions, a statement of assertion (A) is following by a statement of reason (R ) A : Halogen is deactivating group due to -I effect. R: Halogen is ortho -para directing due to +M effect .

Assertion: In case of aryl halides, halogens are moderately deactivating. Reason: Halogens are ortho, para directing groups.

Haldane's effect explains

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