Question

The surface tension of the alcohol propanol in air has a value of 23.70 units
and the surface tension of water in air is 72.80 units. Which two statements
are true?
A. Propanol will have a flatter meniscus than water because the
forces between the molecules are smaller.
B. Propanol will have a higher boiling point than water because the
forces between the molecules are greater.
C. Propanol will have a more curved meniscus than water because
the forces between the molecules are greater.
D. Propanol will have a lower boiling point than water because the
forces between the molecules are smaller.

Answer 1

Answer:

A & D your welcome

Answer 2

Propanol surface is more flattered and has less boiling point than that of water.

To determine the correct statements among all the statements, we need to know about the surface tension.

What is surface tension?

• Surface tension is defined as force per unit length.
• More the surface tension, more the force between the molecules to keep the molecules together.

What does happen, if molecules have more force of attraction?

• If the molecules have large force of attraction, more heat will be required to break the bonds between them. So the boiling point increases.
• Also with more force of attraction, the surface of the liquid becomes less flattered.

Since, propanol has less surface tension than that of water, so its surface is more flattered and has less boiling point than that of water.

Learn more about the surface tension here:

brainly.com/question/277477

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