Chemistry, asked by Heerag2656, 11 months ago

Why do these resonance structures explain meta-directing feature of Nitrobenzene but not other resosance structures?

Answers

Answered by Anonymous
1
If there is a formal charge present in a compound, then the octet rule must be obeyed by looking at the bonds and lone pairs surrounding the formal charge. For example, an oxygen may take 3 lone pairs if bonded to one carbon but will have a negative formal charge. By understanding the nature of Van Der Waals forces you should be able to determine if a particular atom in a compound should have a positive or negative charge.
Answered by Anonymous
2
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⭕ It is written in the book that because the positive charge is always at −o−o or −p−p positions, Nitro group in benzene has meta directing effect. Which means it is easier to attach substituent electrophilic groups at −m−m position than −o−o and −p−p positions.

The reason for the above conclusion is given that because of positive charge at −o−o and −p−p,−m−m is relatively negatively charged.



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