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Question

Can aromatic compounds be heterocyclic?


A

True

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B

False

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Solution

The correct option is A

True


Yes, this is true.

First, let's see what we mean by aromatic compounds?

Aromatic compounds are chemical compounds that contain conjugated planar ring systems with delocalized pi electron clouds instead of discrete alternating single and double bonds.

These compounds are aromatic if they follow Huckel's rules.

In general, they tend to have a pleasant aroma.

Now let's go into the chemistry of these compounds.

Aromatic compounds contain a set of covalently bound atoms with specific characteristics:

1. The compound must be cyclic

2. Each element within the ring must have a p-orbital that is perpendicular to the ring,This makes the molecule fully conjugated.

3. The compound must follow Huckel's rule (the ring has to contain 4n+2 p-orbital (π) electrons, which

are part of the (π system)

4. The molecule must be planar.

But what about Heterocyclic?

The compounds which have atoms of at least two different elements as members of the ring(s).

There are many compounds which satisfy both the conditions of aromaticity and heterocyclicity.

For example:


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