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(i) Why are haloalkanes more reactive to...

(i) Why are haloalkanes more reactive towards nucleophilic substitution reaction than haloarenes ?
(ii) Which one of the following two substance undergoes `S_(N)1` reaction faster and why ?

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(i) Haloarences are much less reactive than haloakanes towards nucleophilic sub-stitution reaction duet to resonance effect, difference is hybridisation of carbon atom in C-X bond and instability of phenyl cation
(ii)
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