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Organic chemistry

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Question 20

Crude oil is a naturally occurring mixture of hydrocarbons.

Crude oil is separated into useful fractions.

Which of these mixtures of substances could be in a fraction from crude oil?

A

C5H12O\text{C}_5\text{H}_{12}\text{O}C5​H12​O, C6H14\text{C}_6\text{H}_{14}C6​H14​, C7H16\text{C}_7\text{H}_{16}C7​H16​

B

C5H12\text{C}_5\text{H}_{12}C5​H12​, C6H13Cl\text{C}_6\text{H}_{13}\text{Cl}C6​H13​Cl, C7H16\text{C}_7\text{H}_{16}C7​H16​

C

C5H12\text{C}_5\text{H}_{12}C5​H12​, C6H14\text{C}_6\text{H}_{14}C6​H14​, C7H16\text{C}_7\text{H}_{16}C7​H16​

D

C5H12O\text{C}_5\text{H}_{12}\text{O}C5​H12​O, C6H13Cl\text{C}_6\text{H}_{13}\text{Cl}C6​H13​Cl, C7H16\text{C}_7\text{H}_{16}C7​H16​

Markscheme

Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /Organic chemistry

83 exam-style questions on OCR GCSE Chemistry Organic chemistry. Each one has a worked solution and a mark scheme showing where the marks go.

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