Chemistry · May / June 2018 · Paper 11 · Question 37

Z is a compound that: • can be formed, as the only other product, when the alkane C8H18 is cracked to produce butane • decolourises bromine water • has a branched chain structure. What is the formula of Z?

1. AH2C=CH-CH3 (propene, structure A)
2. Bbranched alkane structure B
3. Cstraight-chain alkane structure C
4. Dbranched alkene structure D

As printed in the paper