CAPE Chemistry Unit 2 · May/June 2022 · Paper 2 · Question 3(b)(ii)
Write a balanced equation to show the products of the cracking of decane, C₁₀H₂₂.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 3(a)Complete Table 2 by inserting the missing information in the blank spaces.[4 marks]
- 3(b)(i)Define the term 'catalytic cracking'.[2 marks]
- 3(b)(iii)Explain the principles involved in the fractional distillation of crude oil.[3 marks]
- 3(b)(iv)Explain how ONE adverse effect of the petroleum industry can impact the environment.[3 marks]
- 3(c)(i)Define EACH of the following terms: Reuse, Recycle, Reduce.[3 marks]
- 3(c)(ii)Discuss how the concepts of reuse, recycle and reduce can be applied practically to glass waste.[3 marks]
- 3(d)Describe the chemical processes involved in the production of chlorine and sodium hydroxide when the diaphragm cell is used. Your answer must include the types…[5 marks]
- 3(e)(i)Describe the chemical changes which occur to produce hydrochloric acid.[2 marks]
- 3(e)(ii)Describe the chemical changes which occur to produce sodium hypochlorite (bleach).[1 mark]
- 3(e)(iii)TWO modifications that could be made to the structure of the electrolytic cell to ensure that these chemical changes in (e)(ii) do not occur.[2 marks]
More practice: the rest of this paper · more Functional Group Analysis, Reactions and Mechanisms questions · all CAPE Chemistry Unit 2 past papers