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Alkylation & Acylation of benzene

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

What is alkylation of benzene?

Back (Answer)

When H atom in benzene ring is substituted with an alkyl group Requires electrophilic substitution and use of halogen carrier, AlCl3

#2
Front (Question)

What is acylation of benzene?

Back (Answer)

The susbstitution of H atom in benzene ring with an acyl group eg. ethanoyl (Ch3CO), propanoyl (CH3CH2CO) Requires electrophilic substitution and use of halogen-carrier AlCl3

#3
Front (Question)

Why are acylation and alkylation important in organic synthesis?

Back (Answer)

They increase the number of carbon atoms in the structure

#4
Front (Question)

How does alkylation of benzene work?

Back (Answer)

React benzene with a haloalkane in presence of AlCl3 catalyst. Also produces HCl.

#5
Front (Question)

How does acylation of benzene work?

Back (Answer)

React benzene with an acyl chloride in presence of AlCl3 catalyst. Also produces HCl.

#6
Front (Question)

What is the suffix of an acyl?

Back (Answer)

-oyl

#7
Front (Question)

What is the suffix of an alkyl?

Back (Answer)

-yl