M6S3 – Arenes

Which types of change are involved in this sequence of reactions, though not necessarily in the order listed?

CH₃CO-C₆H₅ -> CH₃CO-C₆H₄-NO₂ -> CH₃CHOH-C₆H₄-NO₂ -> CH₃CH(OCOCH₃)-C₆H₄-NO₂

(i) esterification

(ii) reduction

(iii) nitration

(iv) hydrolysis

Which of these chemical species are electrophiles that react with the benzene ring

(i) Br⁺

(ii) Na⁺

(iii) NO₂⁺

(iv) H₃O⁺

Which of these properties of benzene are associated with the presence of delocalised electrons?

(i) There are no isomers of 1,2-dichlorobenzene

(ii) Benzene is more stable than might otherwise be expected

(iii) Benzene typically undergoes substitution rather than addition reactions

(iv) Benzene reacts with nucleophiles

The reaction mixture must be completely dry during a Friedel-Crafts acylation or alkylation reaction to:

What is the main organic product when benzene reacts with 2-iodo-2-methylpropane in the presence of aluminium chloride?

What is the reagent used to convert benzene to nitrobenzene?

The reaction using a mixture of benzene and ethene in the presence of hydrogen chloride and aluminium chloride produces an important intermediate in the manufacture of:

What is the organic product when benzene reacts with ethanoyl chloride in the presence of aluminium chloride?

Heating methylbenzene under reflux with excess, alkaline potassium manganate(VII) which is a strong oxidising agent produces:

What are the reagents and conditions for converting benzene to bromobenzene?