Chemistry cracking 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsGCSEAQA Created by: ChloeGorman14Created on: 25-05-18 18:05 What is a hydrocarbon A compound containing hydrogen and carbon elements 1 of 5 Why do we do cracking? Cracking allows large hydrocarbon molecules to be broken down into smaller, more useful hydrocarbon molecules 2 of 5 What is the difference between an Alkane and alkene Alkane:single bond alkene:double bond 3 of 5 How can we tell if it is an alkene or Alkane Use bromine water if it is an Alkane it will remain it's colour if it's an Alene it will go colourless 4 of 5 General formula for Alkane Cn2+2n 5 of 5
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