Question:

The ortholpara directing group among the following is

Updated On: Aug 1, 2022
  • $-COOH$
  • $-CN$
  • $-COCH_3$
  • $-NHCOCH_3$
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The Correct Option is D

Solution and Explanation

For $o/p$ directing group, there should be partial -ve charge at the $o$-and $p$-positions.
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Concepts Used:

Aromatic hydrocarbon

Aromatic hydrocarbons, sometimes known as arenes, are aromatic organic molecules made up entirely of carbon and hydrogen. In aromatic compounds a benzene ring which is named after the simple aromatic chemical benzene, or a phenyl group when part of a larger structure, is the configuration of six carbon atoms.

Read More: Aromaticity

Reactions of Aromatic Hydrocarbons:

1. Aromatic Substitution Reactions

This reaction involves the replacement of one substituent on the ring of an aromatic hydrocarbon, commonly a hydrogen atom, by a different substituent group.

The common types of aromatic substitution reactions are:

  • Nucleophilic aromatic substitution reactions
  • Electrophilic aromatic substitution reactions
  • Radical nucleophilic aromatic substitution reactions

2. Coupling Reactions

In these types of reactions, the coupling of two fragments that have a radical nature is achieved with the help of a metal catalyst