11 Organic chemistry

Practice questions on Organic chemistry

• Poly(ethene) is a polymer made from ethene monomers. Describe how poly(ethene) is formed f… (4 marks, Describe)
• Describe the complete combustion of ethanol and state one use of ethanol that depends on t… (4 marks, Describe)
• Describe the rules used to name organic compounds from the homologous series of alkanes an… (4 marks, Describe)
• Describe how the structure of a thermosetting polymer makes it suitable for use in electri… (4 marks, Describe)
• Explain why poly(propene) and nylon are classified as different types of polymer. (4 marks, Explain)
• Ethanoic acid reacts with ethanol in the presence of an acid catalyst to form a product us… (4 marks, Name)
• Methanoic acid is a carboxylic acid found naturally in ant venom. Describe what is observe… (4 marks, Describe)
• Ethanoic acid is a carboxylic acid found in vinegar. Describe the reaction of ethanoic aci… (4 marks, Describe and Explain)
• Propene can undergo addition reactions with different reagents. Describe what happens when… (4 marks, Describe and Explain)
• Ethene is produced industrially by the cracking of long-chain hydrocarbons. Explain why et… (4 marks, Explain)
• Explain why alkanes are largely unreactive but do burn readily in excess oxygen, and state… (4 marks, Explain)
• Alkanes are used as fuels. Describe what happens when a long-chain alkane undergoes cracki… (4 marks, Describe and Explain)
• Explain why alkanes are described as saturated hydrocarbons and why they do not readily un… (4 marks, Explain)
• Natural gas, coal and petroleum are all fossil fuels. Describe how fossil fuels are formed… (4 marks, Describe and Explain)
• A chemist has four organic compounds. The first is a straight-chain alkane with four carbo… (4 marks, State)
• A student is given three organic compounds with the following molecular formulae: C₃H₈, C₄… (4 marks, State)
• Butane, butene and butanol are organic compounds. State the functional group present in bu… (4 marks, State and Explain)
• Pentane and pentene are both organic compounds containing five carbon atoms. State the mol… (4 marks, State and Explain)
• Describe what is meant by a homologous series and state two characteristics that all membe… (4 marks, Describe)
• A student is studying two organic compounds: ethanol and ethanoic acid. State the function… (4 marks, State and Explain)