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Determine the correctness or otherwise of the following assertion [a] and reason [r]: Assertion [a]: Halogens are unusual in their effect on electrophilic aromatic substitution; they are deactivating yet ortho-, para ' directing. Reason [r]: In electrophilic aromatic substitution reactions, reactivity is controlled by stronger inductive effect while orientation is controlled by the stronger hyperconjugation effect. Choose the correct statement.

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Determine the correctness or otherwise of the following assertion [a] and reason [r]: Assertion [a]: Halogens are unusual in their effect on electrophilic aromatic substitution; they are deactivating yet ortho-, para ' directing. Reason [r]: In electrophilic aromatic substitution reactions, reactivity is controlled by stronger inductive effect while orientation is controlled by the stronger hyperconjugation effect. Choose the correct statement.






 
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