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Atoms and reactions

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Question 92

Which process has the highest atom economy for preparing but-1-ene, C4H8\text{C}_4\text{H}_8C4​H8​?

In each process, assume that but-1-ene is the only product that is used.

A

C12H26→2C4H8+C4H10\text{C}_{12}\text{H}_{26} \rightarrow 2\text{C}_4\text{H}_8 + \text{C}_4\text{H}_{10}C12​H26​→2C4​H8​+C4​H10​

B

C4H9OH→C4H8+H2O\text{C}_4\text{H}_9\text{OH} \rightarrow \text{C}_4\text{H}_8 + \text{H}_2\text{O}C4​H9​OH→C4​H8​+H2​O

C

C8H18→C4H8+C4H10\text{C}_8\text{H}_{18} \rightarrow \text{C}_4\text{H}_8 + \text{C}_4\text{H}_{10}C8​H18​→C4​H8​+C4​H10​

D

C4H9Cl→C4H8+HCl\text{C}_4\text{H}_9\text{Cl} \rightarrow \text{C}_4\text{H}_8 + \text{HCl}C4​H9​Cl→C4​H8​+HCl

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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