Important Questions of Hydrocarbons Chemistry | Zigya

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 Multiple Choice QuestionsShort Answer Type

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231. What happens when:
Toluene is heated with concentrated sulphuric acid.
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232. What happens when:
p-xylene is heated with alkaline KMnO4.
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233.

What happens when:
Benzene is treated with n-propyl chloride in the presence of anhydrous AlCl3.

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 Multiple Choice QuestionsLong Answer Type

234.

Discuss the mechanism of electrophilic substitution reactions of benzene?

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235. Discuss the mechanism of chlorination of benzene.
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236.

How is benzene converted to nitrobenzene? Give mechanism.

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237.

How benzene is converted into benzene sulphonic acid? Give its mechanism.
Or
Explain the mechanism of sulphonation of benzene.

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238.

Discuss the mechanism of Friedel Craft’s reaction.
Or
Discuss the mechanism of Friedel Craft’s alkylation of benzene. Give the mechanism of reaction of benzene within  the presence of AlCl3.

Or

How is benzene converted into aceto-phenone? Name the reaction and discuss the mechanism explaining each step.

Or

Give the mechanism of acylation of benzene.

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 Multiple Choice QuestionsShort Answer Type

239.

Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?

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 Multiple Choice QuestionsLong Answer Type

240.

Discuss the directive influence of substituents on disubstitution in benzene. 

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