A quick introductory look at the alcohols

2 marks · Hard

The compound 2-methylpropan-1-ol is an example of an alcohol.

Describe how the suffix in its name shows it is an alcohol.

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

The suffix '-ol' is added to the end of the name to indicate the presence of an alcohol (hydroxyl) group.

Also accept: The '-ol' ending shows the compound is an alcohol or contains an -OH group.; The '-ol' tells us it is an alcohol.

Common mistakes: Saying the suffix means an alkene or an acid.; Only stating the functional group without referring to naming.

Show mark scheme and worked solution

Marking points

B1 · 1 mark · Identifies or refers to the suffix '-ol' in the name; accepts correct spelling variations.

B2 · 1 mark · States that the '-ol' suffix indicates the compound is an alcohol or contains an -OH group.

Worked solution

The suffix '-ol' at the end of '2-methylpropan-1-ol' shows the compound is an alcohol.

This is because '-ol' indicates that the molecule contains a hydroxyl (-OH) functional group.