Question

one sentence answer
1)Explain chlorobenzene is orthro and para directing for substitution reaction​

Answer 1

Answer:

Explanation:

Although chlorine is an electron withdrawing group yet it is ortho para directing in electrophilic aromatic substitution reaction. ... Conversely Cl donates its lone pair of electrons to the aromatic ring and hence increase the electron density at ortho and para positions

Answer 2

Answer:

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Explanation:

The lone pair present on the chlorine atom delocalize itself with pi-electrons of the ring. The electron release into the ring stabilizes the positive charge at ortho and para positions due to attack of an electrophile . Hence, substitution of an electrophile is favored at ortho and para positions.