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Question 12

This is the displayed formula of an organic compound, X.

The displayed formula of compound X

a.

Give the molecular formula of compound X.

[1]
b.

A student describes compound X as a saturated hydrocarbon. Explain whether the student is correct.

[2]
c.

Compound X and methanol are members of the homologous series of alcohols. One property of members of a homologous series is that they have similar chemical reactions. Give one other property of members of a homologous series.

[1]
d.

This apparatus is used for a dehydration reaction using compound X.

This reaction is similar to the dehydration reaction of ethanol.

Apparatus for dehydration reaction

The reaction produces gas Y and one other product.

State the purpose of the aluminium oxide.

[1]
e.

State a property of gas Y that allows it to be collected over water.

[1]
f.

Give a reason why the first sample of gas Y collected is not pure.

[1]
g.

Complete the equation for the dehydration reaction showing the displayed formula of gas Y and the molecular formula of the other product.

Reaction equation template

[2]
h.

Give the name of gas Y.

[1]

Alcohols Questions

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