Back to AQA Chemistry Paper 2 Specimen (set 1) Home

Paper 2 H - SAMPLE SET 1 Q1 Answers

1) This question is about organic compounds.
Hydrocarbons can be cracked to produce smaller molecules.
The equation shows the reaction for a hydrocarbon, C₁₈H₃₈

1.1) Which product of the reaction shown is an alkane? [1 mark]
Tick one box.

1.2) Table 1 shows the boiling point, flammability and viscosity of C₁₈H₃₈ compared with the other hydrocarbons shown in the equation.

Which letter, A, B, C or D, shows how the properties of C₁₈H₃₈ compare with the properties of C₂H₄, C₃H₆, C₄H₈ and C₆H₁₄? [1 mark]

Tick one box.

1.3) The hydrocarbon C₄H₈ was burnt in air.
Incomplete combustion occurred.
Which equation, A, B, C or D, correctly represents the incomplete combustion reaction?

Tick one box.

1.4) Propanoic acid is a carboxylic acid.
Which structure, A, B, C or D, shows propanoic acid? [1 mark]

Tick one box.

Propanoic acid is formed by the oxidation of which organic compound? [1 mark]
Tick one box.

​​​​​​​​​(Total for Question 1 = 5 marks)

---

Answers

Back to Question