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Reactions of Aromatic Compounds (overall)

Exercises: Sulfonation

Instruction : Exercise 1

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Fig.1

Instruction : Exercise 2

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Fig.2

Exercise

When benzene is treated with hot concentrated sulfuric acid for a certain period of time, ...

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... benzenesulfatic acid is formed.

... benzenesulfinic acid is formed.

... benzenesulfonic acid is formed.

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Exercise

When oleum, instead of concentrated sulfuric acid, is applied sulfonation of aromatic compounds ...

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... runs considerably more rapid with increasing SO3 concentration .

... runs considerably more rapid with decreasing SO3 concentration .

... runs considerably more slowly with increasing SO3 concentration .

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Exercise

Sulfonation is, ...

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... in contrast to nitration, irreversible.

... like nitration, reversible.

... in contrast to nitration, reversible.

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