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7 Organic chemistry

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Question 3
F

A student burns a small sample of an alkane and a small sample of an alkene in air. Figure shows the two flames.

Figure: The flame produced by a burning alkane and the flame produced by a burning alkene

image

a.

Use Figure to describe one difference between the two flames.

[1]
b.

Explain why the alkene burns in air with a smoky flame.

[2]
c.

Name the two products formed when an alkene burns completely in air.

[2]
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7 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /7 Organic chemistry

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