Organic chemistry

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Question 36
Medium

This question is about hydrocarbons.

The table shows some information about alkanes.

Alkanes Table

a.

Complete the table.

[3]
b.

Butane is a saturated hydrocarbon. Explain why butane is called both a hydrocarbon and saturated.

[2]
c.

A student has two test tubes. One contains butane and one contains butene.

Butane and Butene Structures

The student added bromine water to each test tube. Describe what they observe:

  • Butane: _____________________\text{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}_____________________
  • Butene: _____________________\text{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}_____________________
[2]
d.

Butane belongs to the homologous series called the alkanes. What is the name of the homologous series that butene belongs to?

[1]
e.

Octane, C8H18\text{C}_8\text{H}_{18}C8​H18​, is an alkane found in petrol. Octane undergoes complete combustion in excess oxygen, O2\text{O}_2O2​. Carbon dioxide and water are made. Write the balanced symbol equation for the complete combustion of octane.

[2]

Organic chemistry Questions

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  2. /Chemistry
  3. /Organic chemistry