Which of the Following Is NOT an Assumption Made in the Kinetic

Multiple Choice

Which of the following is NOT an assumption made in the kinetic theory model of a gas?

A) A gas consists of particles called molecules.
B) The molecules are in random motion and their behavior is described by Newton's laws.
C) The range of molecular forces is much greater than the molecular size.
D) Between collisions,molecules travel with constant speed and in a straight line.
E) Collisions are perfectly elastic and are of negligible duration.