## Kinetic molecular theory of gases MCQ Basic Level

Compared to other sections, Chemistry is considered to be the most scoring section. If prepared thoroughly, chemistry can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. Postulate of kinetic theory is

•  Atom is indivisible
•  Gases combine in a simple ratio
•  There is no influence of gravity on the molecules of a gas
•  None of the above

None of the above

Q2. According to kinetic theory of gases

•  There are intermolecular attractions
•  Molecules have considerable volume
•  No intermolecular attractions
•  The velocity of molecules decreases after each collision

No intermolecular attractions

Q3. In deriving the kinetic gas equation, use is made of the root mean square velocity of the molecules because it is

•  The average velocity of the molecules
•  The most probable velocity of the molecules
•  The square root of the average square velocity of the molecules
•  The most accurate form in which velocity can be used in these calculations

The most accurate form in which velocity can be used in these calculations

Q4. Kinetic energy of a gas depends upon its

•  Molecular mass
•  Atomic mass
•  Equivalent mass
•  None of these

None of these

Q5. The kinetic theory of gases perdicts that total kinetic energy of a gaseous assembly depends on

•  Pressure of the gas
•  Temperature of the gas
•  Volume of the gas
•  Pressure, volume and temperature of the gas

Temperature of the gas

Q6. According to kinetic theory of gases, the energy per mole of a gas is equal to

•  1.5 RT
•  RT
•  0.5 RT
•  2.5 RT

1.5 RT

Q7. Internal energy and pressure of a gas per unit volume are related as

•  P = 2/3 E
•  P = 3/2 E
•  P = 1/2 E
•  P = 2 E

P = 2/3 E

Q8. The translational kinetic energy of an ideal gas depends only on its

•  Pressure
•  Force
•  Temperature
•  Molar mass

Temperature

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Kinetic molecular theory of gases MCQ Basic Level