The best explanation for the existence of a meniscus observed when water is placed in a glass tube of small diameter is
A) the surface tension of the water causes it to "bead up" inside the container.
B) the attractive forces between the water molecules and the walls of the container are greater than the attractive forces between the water molecules.
C) the molecules are forced closer together because of London forces.
D) the viscosity of the water is greater than the viscosity of the glass.
E) the hydrogen bonds between water molecules are greater than the attractions between the water molecules and the walls of the container.

Question

Quizplus · Accepted Answer

The meniscus occurs because the attractive forces between the water molecules and the walls of the container are greater than the attractive forces between the water molecules themselves. This causes the water to "climb up" the walls of the container, creating a curved surface.

The Best Explanation for the Existence of a Meniscus Observed