A-LevelChemistryOrganic synthesis9701/12 · Oct/Nov 2017 · Q241 Mark
2,3-dimethylpent-2-ene, (CH3)2C=C(CH3)CH2CH3, is treated with cold, dilute KMnO4. The product of this reaction is treated with an excess of concentrated H2SO4 at 180°C, giving a mixture of isomeric hydrocarbons with molecular formula C7H12. What is the name of one of the isomeric hydrocarbons?
A2,3-dimethylpenta-1,2-diene
Bcis-2,3-dimethylpenta-1,3-diene
C2,3-dimethylpenta-1,4-diene
D3,4-dimethylpenta-1,3-diene
✓ Correct answer
B: cis-2,3-dimethylpenta-1,3-diene
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