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Anhydrous AlCl(3) is used as a catalyst ...

Anhydrous `AlCl_(3)` is used as a catalyst in the friedel-crafts reaction because it is

A

Electron rich

B

Soluble in ether

C

Insoluble to chloride and aluminium ions

D

Electron deficient

Text Solution

Verified by Experts

The correct Answer is:
D
`AlCl_3` is an electron deficient compound. It generates electrophile in the reaction.
`CH_(3)Cl + AlCl_3 rarr underset("Electrophile")(CH_3^+) + AlCl_(4)^(-)`
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Friedel Craft Reaction

Friedel-Crafts reaction is not given by:

Alkylation of aromatic compounds with aliphatic compounds like halides in presence of Lewis acid catalyst is known as Friedel-Crafts alkylation. It is an exapmle of electrophilic substitution. In the process of acylation, R-overset(O)overset(||)C- group is introduced to the ring. Compounds having ( + mesomeric groups) like -NH_(2) do not give Friedel-Crafts reaction because these compounds undergo conjugation with the catalyst. In the alkylation process, most branched alkyl group is substituted because isomerisation of carbonium ion takes place. In some Friedel-Crafts reactions, the nature of product changes with the solvent used in the reaction. Predict whether the following statements are ture or false: AlCl_(3) (aq.) is used as catalst in Frieded-Crafts reaction: (a) True (b) False

In a Friedel-Crafts reaction, the electrophile is:

What is the amount of catalyst required in the Friedel-crafts acylation?

Product of the above Friedel-Craft reaction is:

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