Introduction to organic chemistryEdexcel A-Level Chemistry: Mind map

Exam questions on Introduction to organic chemistry

1. A chemist analyses a compound X from a sample of fuel. X is a hydrocarbon that contains 85.7% carbon and 14.3% hydrogen by mass, has a relative molecular mass of 84.0 and decolourises bromine water.
   Use the data to deduce the empirical formula and the molecular formula of X.2 marks
2. Compound Y has the structural formula (CH₃)₂CHCH₂CH₃ and is found in petrol.
   Y reacts with chlorine in ultraviolet light to form a compound with the formula C₅H₁₁Cl. State the type of reaction and write the equation for the formation of C₅H₁₁Cl.2 marks
3. Organic chemists use IUPAC nomenclature so that every compound has a unique, systematic name.
   Give the IUPAC names of (i) CH₃CH(OH)CH₂CH₃, (ii) (CH₃)₂C=CHCH₃ and (iii) CH₃CHBrCH₂CH₂CH₃.3 marks