GCSE Chemistry - Alcohols #57

The video tutorial introduces alcohols as a homologous series of organic compounds, highlighting their structure, naming conventions, and the first four alcohols in the series. It covers the properties of alcohols, including flammability, solubility, and their ability to be oxidized into carboxylic acids. The tutorial also discusses the uses of alcohols as fuels and solvents, emphasizing their role in industry due to their ability to dissolve substances that water cannot.

What functional group is characteristic of alcohols, distinguishing them from alkenes?

• OH

• NH2

• COOH

• CH3

Which of the following is NOT one of the first four alcohols you need to know for exams?

• Pentanol

• Propanol

• Ethanol

• Methanol

What happens when alcohols undergo complete combustion in air?

• They form carbon dioxide and water.

• They form carbon monoxide and water.

• They form carbon dioxide and hydrogen.

• They form carbon monoxide and hydrogen.

What is the pH of a solution formed by dissolving alcohols in water?

• Neutral

• Acidic

• Variable

• Basic

Why are alcohols often used as solvents in industry?

• They are cheaper than water.

• They are non-flammable.

• They can dissolve hydrocarbons and lipids that water cannot.

• They have a higher boiling point than water.