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 Multiple Choice QuestionsLong Answer Type

211.

What are the characteristics of a compound to be aromatic?
Or
What do you mean by aromaticity?
Or
What are the necessary conditions for any system to be aromatic?

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212.

Write a short note on annulenes.

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 Multiple Choice QuestionsShort Answer Type

213.

Explain why the following systems are not aromatic?



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 Multiple Choice QuestionsLong Answer Type

214. Give the various methods used for the preparation of arenes.
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 Multiple Choice QuestionsShort Answer Type

215.

How would you convert the following compounds to benzene:
Ethyne

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216.

How would you convert the following compounds to benzene:
Ethene

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217.

How would you convert the following compounds to benzene:
Hexane

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 Multiple Choice QuestionsLong Answer Type

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218.

How would you convert the following compounds to benzene:
(i) Benzoic acid
(ii) Benzene diazonium chloride?


(i) Benzoic acid to benzene:





(ii) Benzenediazonium chloride to benzene:

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219.

Discuss the halogenation reactions of arenes.

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220.

Discuss:
(i) nitration and  (ii) sulphonation of benzene.

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