Which of the following statement(s) is /are true

Options

A. The pressure of a fixed amount of an ideal gas is proportional to its temperature only
B. Frequency of collisions increases in proportion to the square root of temperature
C. Tha value of van der waal's constant 'a' is smaller for ammonia than for nitrogen
D. IF a gas is expanded at constant temperature , the kinetic energy of the molecules decrease

Answer

B

Explanation

Frequency of collisions increases in proportion to the square root of temperature .