question_answer

Consider the following statements

I. Repulsive forces are significant when the molecules are close together on average.

II. Attractive intermolecular forces are important when the molecules are fairly close together but not necessarily touching.

III. Attractive forces are ineffective when the molecules are for apart.

Select correct statements.

A)  I, II and III             

B)  I and III

C)  II and III               

D)  I and II