Shapes of Aromatic Organic Molecules; σ & π Bonds (Cambridge (CIE) A Level Chemistry): Exam Questions

State the systematic (IUPAC) name for compounds W, X and Y.

State the systematic (IUPAC) name for compound Z.

State the bond angle in a benzene molecule.

In benzene, each of the carbon atoms is sp² hybridised.

i) Describe how neighbouring carbon atoms form σ bonds.

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ii) Neighbouring carbon atoms also form π bonds. Describe how these π bonds are formed.

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State the systematic (IUPAC) name for each of the following aromatic compounds.

Explain why the benzene ring is planar.

Compound X can be formed from benzene in a two-step reaction.

State the reagents and conditions required for each step.

State the bond angle in a benzene molecule.

Explain why benzene, C₆H₆, does not react with aqueous bromine, whereas hexene, C₆H₁₂, reacts readily.

Benzene reacts with liquid bromine in the presence of a suitable catalyst.

State the name of the mechanism for this reaction.