If the adhesive forces between a liquid and the walls of a capillary tube are greater than the cohesive forces within the liquid,
A) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a convex meniscus.
B) the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus.
C) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a convex meniscus.
D) the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a concave meniscus.
E) the liquid level in a capillary tube will be flat.

Question

Quizplus · Accepted Answer

If the adhesive forces are greater than the cohesive forces, the liquid will be attracted to the walls of the capillary tube and will rise above the surrounding liquid. The surface in the capillary tube will have a concave meniscus due to the unequal forces acting on the liquid.

If the Adhesive Forces Between a Liquid and the Walls