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For preparing monoalkyl benzene, acylati...

For preparing monoalkyl benzene, acylation process is preferred than direct alkylation because

A

In alkylation, a poisonous gas is evolved

B

In alkylation, large amount of heat is evolved

C

In alkylation, polyalkylated product is formed

D

Alkylation is very costly

Text Solution

Verified by Experts

The correct Answer is:
C
Friedel – Craft’s alkylation

As + I effect of R  initiates the resonance effect and activates the ring in ortho and para positions, poly alkylated product is formed.
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ERRORLESS-HYDROCARBONS-NCERT BASED QUESTION (AROMATIC HYDROCARBON)
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  6. The final product formed in this reaction is

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  7. In the reaction C(6)H(5)CH(2) overset("oxidation")rarr A overset(NaO...

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  10. Reaction of benzene with Me(3)C COCl in the presence of anhydrous AlCl...

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  11. 1, 4-Dimethyl benzene on heating with anhydrous AICI(3)" and "HCI prod...

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  12. Identify the product (E) in the following sequence of reactions

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  13. Which of the following structures correspond to the product expected, ...

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  14. Friedel-Crafts acylation is-

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  16. The major product obtained in the reaction of toluene with 1 - bromo-2...

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  19. Among the following The antiaromatic compounds are

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  20. The most stable conformation of 2, 3-dibromobutane is -

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