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Question

Which of the following statements is/are wrong?
  1. K.E. of a gas depends on its mass
  2. K.E. depends on the volume
  3. At a given temperature the transitional K.E. of one mole of every gas is same which is equal to 3/2 RT
  4. K.E. depends on the pressure

A
K.E. depends on the pressure
B
At a given temperature the transitional K.E. of one mole of every gas is same which is equal to 3/2 RT
C
K.E. of a gas depends on its mass
D
K.E. depends on the volume
Solution
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The kinetic-molecular theory of gases can be stated as four postulates:
  • A gas consists of molecules in constant random motion.
  • Gas molecules influence each other only by collision; they exert no other forces on each other.
  • All collisions between gas molecules are perfectly elastic; all kinetic energy is conserved.
Kinetic energy of gas doesn't depend on mass,volume and the pressure.
Hence option B,C,D are correct answers.

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