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Chemistry 5070 · Cambridge (CAIE) O Level

Cracking

7 past-paper questions on Cracking · examined 2020–2024.

20241 question

5070/11 · O/N · Q32 [1]Sign up to mark my answer →

Alkenes can be produced by the cracking of alkanes, such as decane, C10H22. Which equation shows the cracking of decane to produce two different alkenes and at least one other product?

20221 question

5070/21 · M/J · Q8(d)(i) [2]Sign up to mark my answer →

Give two reasons why the cracking of long chain hydrocarbons is important.

20213 questions

5070/21 · M/J · Q3(a)(iii) [2]Sign up to mark my answer →

Describe how the demand for smaller hydrocarbon molecules is satisfied.

5070/22 · O/N · Q4(c)(i) [2]Sign up to mark my answer →

State two conditions needed for cracking alkanes.

5070/22 · O/N · Q4(c)(ii) [1]Sign up to mark my answer →

Tridecane, C13H28, can be cracked to produce an alkene with four carbon atoms and one other hydrocarbon only. Construct an equation for this reaction.

20202 questions

5070/22 · O/N · Q5(a)(i) [1]Sign up to mark my answer →

Give one other reason why petroleum companies carry out cracking.

5070/22 · O/N · Q5(a)(ii) [1]Sign up to mark my answer →

Complete the equation for the cracking of tridecane, C13H28, to form propene, C3H6, and one other hydrocarbon.

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