88) As the number of elecuron withdrawing group Increases at ortho and para positions in
halides Its reactivity
A) decreases
B) increases
C) remaince same
D) unpredictable
A
U
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Answer:
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Answer:
B) Increases
Explanation:
The charateristic reaction of a Benzene Ring electrophilic Substitution Reaction [ESR] . but for Neucleophilic Subs. the electron rich sites have to be made to have less electron density
Then only a nudeophile would be able to attack on a electrOn deficient site.
since a EWG (withdrawing group ) pulls electron towards itself so it deactivates the e- rich sites thereby increasing [NSR]
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