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When Friedel-Crafts alkylation of benzen...

When Friedel-Crafts alkylation of benzene is carried out with n-propyl bromide, the major product is

A

n-propylbenzene

B

isopropylbenzene

C

2-ethylbenzene

D

none of the above

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The correct Answer is:
B
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Friedel Craft Alkylation

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Following two question have assertion followed by the reason. Answer them according to the following options Assertion Friedel Craf't alkylation of benzene with n-propyl chloride, fail to produce propyl benzene. Reason Carbocation rearrangement produces rearrangedd isopropyl benzene as major product.

A Friedel-Crafts reaction of benzene with chloroform produces

A Friedel- Crafts reaction of benzene with chloroform produces :

Assertion (A) Friedel - Crafts reaction benzene with n - propyl chloride on heating produce isopropyl benzene Reason (R ) Benzene undergoes electrophilic substitution easily.

The Friedel-Crafts reaction of benzene with n- butyl chloride at 0^(@)C produces :

PRADEEP-HYDROCARBONS-Competition Focus (JEE(main and advanced)/Medical Entrance) I. MULTIPLE CHOICE QUESTIONS
  1. In the given reaction, the product P is

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  2. The treatment of benzene with isobutene in the presence of sulphuric a...

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  3. When Friedel-Crafts alkylation of benzene is carried out with n-propyl...

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  4. Which of the following reactions would give isopropylbenzene as the ma...

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  5. Conversion of benzene to acetopheone can be brought by :

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  6. Reaction of benzene with Me3COCl in the presence of anhydrous AlCl3 gi...

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  7. Which of the following compounds will not undergo Friedel- Crafts reac...

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  8. The electrophile that participates in nitration of benzene is

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  9. Nitrobenzenen can be prepared from benzene by using a mixture of conc ...

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  10. The major product(s) obtained from the following reaction of 1 mole of...

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  11. Benzene reacts with I2 in presence of which of the following to give i...

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  12. Aromatic electrophilic substitution reaction that is reversible is

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  13. The compound X in the reaction

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  14. Which of the following undergoes nitration most easily?

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  15. Among the following compounds the one that is most reactive towards el...

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  16. Which of the following has the highest point ?

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  17. Chlorobenzene on treatment with sodium in dry ether gives diphenyl. Th...

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  18. The following desulphonation reaction, takes place through intermed...

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  19. The electrophile, E^(o+) attacks the benzene ring to generate the inte...

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  20. 1, 4-Dimethyl benzene on heating with anhydrous AICI(3)" and "HCI prod...

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