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General Mechanism of Electrophilic Aromatic Substitution

Which of the ...

Question

Which of the following is an o-,p-directing substituent in an electrophilic aromatic substitution?

A

- C C l_{3}

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B

- C l

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C

- N H C O C H_{3}

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D

- O C H_{3}

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Solution

The correct option is B $- C l$
$- C l$ is an o-,p-directing substituent in an electrophilic aromatic substitution.
On the other hand, $- C C l_{3}, - N H C O C H_{3} a n d - O C H_{3}$ are m-directing substituents in an electrophilic aromatic substitution

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