Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit
Organic Chemistry
785 practice questions
Topics covered
Practice questions
61–70 of 317 · Easy
Question 61
1 mark · Easy
Answer and see the solution →Write the displayed formula for the functional group present in all alcohols.
Question 62
3 marks · Easy
Answer and see the solution →The name of a compound can provide information about its structure.
(a)[1 mark]What does the suffix '-ol' at the end of a compound's name show about the compound?
(b)[2 marks]Write down the name of two compounds that contain this suffix.
Question 63
1 mark · Easy
Answer and see the solution →State the reaction type for the process where a hydrocarbon reacts with excess oxygen to form carbon dioxide and water.
Question 64
3 marks · Easy
Answer and see the solution →Classify each of these organic reactions as addition, substitution, or combustion.
(a)[1 mark]C2H4(g) + H2(g) C2H6(g)
(b)[1 mark]CH4(g) + Cl2(g) CH3Cl(g) + HCl(g)
(c)[1 mark]C3H8(l) + 5O2(g) 3CO2(g) + 4H2O(l)
Question 65
2 marks · Easy
Answer and see the solution →Explain why the reaction between ethene (C2H4) and bromine (Br2) is classified as an addition reaction.
Question 66
3 marks · Easy
Answer and see the solution →The table shows equations for three organic reactions. Use the information to answer the questions.
Table 1: Organic reactions Equation Type (to classify) C2H6(g) + Cl2(g) → C2H5Cl(g) + HCl(g) C2H4(g) + HCl(g) → C2H5Cl(g) C2H6(g) + O2(g) → CO2(g) + H2O(l) (a)[1 mark]Reaction 1: State the reaction type.
(b)[1 mark]Reaction 2: State the reaction type.
(c)[1 mark]Reaction 3: State the reaction type.
Question 67
1 mark · Easy
Answer and see the solution →What type of reaction occurs when one atom or group in a molecule is replaced by a different atom or group?
Question 68
3 marks · Easy
Answer and see the solution →Classify each reaction below as substitution, addition, or combustion. For each, briefly state the reason for your answer.
(a)[1 mark]But-2-ene reacts with hydrogen to form butane.
(b)[1 mark]Methane reacts with fluorine to form fluoromethane and hydrogen fluoride.
(c)[1 mark]Propanol burns in excess oxygen to produce carbon dioxide and water.
Question 69
2 marks · Easy
Answer and see the solution →Propane ([31m[0m) burns in a large supply of oxygen.
(a)[2 marks]Write the balanced chemical equation for the complete combustion of propane.
Question 70
2 marks · Easy
Answer and see the solution →Consider the following reaction: [31m[0m.
(a)[2 marks]State the type of reaction shown and explain your answer.