Question

If 1 mole of ____________ is added to 1 dm³ of water, the boiling point of water will decrease.

Options

• methyl alcohol

• sucrose

• NaCl

• glucose

Answer 1

If 1 mole of methyl alcohol is added to 1 dm³ of water, the boiling point of water will decrease.

Explanation:

Methyl alcohol is a very flammable substance. As a result, at a given temperature, it raises the vapour pressure of a solution. As a result, the solution boils at a lower temperature.