Alcohols — Paper 1 · IGCSE Sciences - Co-ordinated (Double) 0654

27 Ethanol can be made by reacting steam with a hydrocarbon. hydrocarbon + steam → ethanol H H H C C OH H H What is the name of the hydrocarbon? A ethane B ethene C methane D propene

1 marks

Answer: B

This question in 0654/11 Oct/Nov 2013

27 Ethanol can be made by reacting steam with a hydrocarbon. hydrocarbon + steam → ethanol H H H C C OH H H What is the name of the hydrocarbon? A ethane B ethene C methane D propene

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2013

27 The structure of compound P is shown. H H H H H C C C C O H H H H H Which type of compound is P? A acid B alcohol C alkane D alkene

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2013

27 Four molecules are shown. Which structure represents ethanol? A B C D H H H H H H H H H H C C OH H C C C OH C C H C C H H H H H H H OH H H

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2015

27 Ethanol is formed when steam reacts with compound Y. What is the name and what is the structure of compound Y? name structure H H A ethane C C H H H H B ethane H C C H H H H H C ethene C C H H H H D ethene H C C H H H

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2015

27 Which row describes the industrial manufacture and a use of ethanol? manufacture use A cracking large hydrocarbon molecules food colouring B cracking large hydrocarbon molecules solvent C reaction between ethene and steam food colouring D reaction between ethene and steam solvent

1 marks

Answer: D

This question in 0654/13 May/June 2016

27 What are the products of the complete combustion of ethanol? A carbon dioxide + carbon monoxide + water B carbon dioxide + hydrogen C carbon dioxide + water D carbon monoxide + water

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2017

27 Ethanol is formed by the reaction of ethene with ««1«« . Ethanol burns in excess air to produce ««2«« and water. Which words complete gaps 1 and 2? 1 2 A oxygen carbon dioxide B oxygen carbon monoxide C steam carbon dioxide D steam carbon monoxide

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2018

27 The flow diagram shows the manufacture of ethanol from alkanes. process X reagent Y alkane ethene ethanol What are process X and reagent Y? process X reagent Y A cracking hydrogen B cracking steam C fractional distillation hydrogen D fractional distillation steam

1 marks

Answer: B

This question in 0654/12 Oct/Nov 2019

26 Which structure represents ethanol? A B C D H H H H H H H H C H H C C H C C H C C O H H H H H H H H

1 marks

Answer: D

This question in 0654/13 Oct/Nov 2019

26 The molecular structure of a compound is shown. H H H C C O H H H What is this type of compound? A a hydroxide B an alcohol C an alkane D an alkene

1 marks

Answer: B

This question in 0654/13 Oct/Nov 2020

27 Which statements about ethanol are correct? 1 The combustion of ethanol is exothermic. 2 Ethanol is used as a solvent. 3 Ethanol is produced by fermentation. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: A

This question in 0654/12 Feb/March 2021

23 The apparatus used to investigate the combustion of ethanol is shown. The products of combustion are passed over anhydrous cobalt(II) chloride. to suction pump anhydrous cobalt(II) chloride spirit burner ethanol How does the colour of the cobalt(II) chloride change during the investigation? A blue to pink B blue to white C pink to blue D white to blue

1 marks

Answer: A

This question in 0654/11 May/June 2021

26 Four molecules are shown. Which structure represents ethanol? A B C D H H H H H H H H H H C C OH H C C C OH C C H C C H H H H H H H OH H H

1 marks

Answer: A

This question in 0654/11 Oct/Nov 2021

26 Four molecules are shown. Which structure represents ethanol? A B C D H H H H H H H H H H C C OH H C C C OH C C H C C H H H H H H H OH H H

1 marks

Answer: A

This question in 0654/12 Oct/Nov 2021

26 Four molecules are shown. Which structure represents ethanol? A B C D H H H H H H H H H H C C OH H C C C OH C C H C C H H H H H H H OH H H

1 marks

Answer: A

This question in 0654/13 Oct/Nov 2021

27 Which method is used to make ethanol? A fermentation of sugar by yeast B reacting ethane with bromine C reacting ethene with bromine D reacting methane with steam

1 marks

Answer: A

This question in 0654/11 May/June 2022

27 What are the products of the complete combustion of ethanol? A carbon dioxide and hydrogen B carbon dioxide and water C carbon monoxide and hydrogen D carbon monoxide and water

1 marks

Answer: B

This question in 0654/12 May/June 2022

27 What are the products of the complete combustion of ethanol? A carbon dioxide and hydrogen B carbon dioxide and water C carbon monoxide and hydrogen D carbon monoxide and water

1 marks

Answer: B

This question in 0654/13 May/June 2022

27 Which process forms ethanol? A combustion B cracking C distillation D fermentation

1 marks

Answer: D

This question in 0654/11 May/June 2023

27 Which diagram represents a molecule that is formed by fermentation? A B C D H H H H H H H H C H H C C H C C H C C O H H H H H H H H

1 marks

Answer: D

This question in 0654/12 May/June 2023

27 Which diagram represents a molecule that is formed by fermentation? A B C D H H H H H H H H C H H C C H C C H C C O H H H H H H H H

1 marks

Answer: D

This question in 0654/13 May/June 2023

27 Which substance reacts with ethene to produce ethanol? A bromine B hydrogen C oxygen D steam

1 marks

Answer: D

This question in 0654/12 Feb/March 2024

27 What are the products of the complete combustion of ethanol? A carbon and hydrogen B carbon dioxide and hydrogen C carbon dioxide and water D carbon monoxide and water

1 marks

Answer: C

This question in 0654/11 Oct/Nov 2024

25 The displayed formulas of four compounds are shown. H H H H H H H H C H H C C H C C H C C O H H H H H H H H 1 2 3 4 Which formulas represent ethanol and ethene? ethanol ethene A 4 2 B 1 3 C 4 3 D 2 1

1 marks

Answer: C

This question in 0654/12 Oct/Nov 2025

25 The displayed formulas of four compounds are shown. H H H H H H H H C H H C C H C C H C C O H H H H H H H H 1 2 3 4 Which formulas represent ethanol and ethene? ethanol ethene A 4 2 B 1 3 C 4 3 D 2 1

1 marks

Answer: C

This question in 0654/13 Oct/Nov 2025