4 Core organic chemistry

Practice questions on Core organic chemistry

• Natural gas is mainly methane, a hydrocarbon that belongs to the alkane homologous series.… (5 marks, Explain)
• A student is studying a series of hydrocarbons found in crude oil. They learn that alkanes… (5 marks, Explain)
• Crude oil is a mixture of hydrocarbons. When crude oil is fractionally distilled, it is se… (5 marks, Explain)
• Ethene and ethane are both hydrocarbons containing two carbon atoms. Explain why ethene is… (5 marks, Explain)
• A student is given three unlabelled bottles, each containing a different colourless liquid… (5 marks, Describe)
• A forensic scientist is analysing an unknown organic liquid recovered from a crime scene. … (5 marks, Describe)
• A industrial chemist is producing a batch of 1-bromopropane from propan-1-ol. Explain how … (5 marks, Explain)
• Propan-1-ol and 1-chloropropane are two organic compounds. Explain how a chemist could dis… (5 marks, Explain)
• Ethanol is an alcohol used in alcoholic drinks and as a fuel. When ethanol burns completel… (5 marks, Describe)