Kinetic Molecular Theory of Gases
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CHXI06:STATES OF MATTER

314250 Which one of the following is the wrong assumption of kinetic theory of gases?

1 Momentum and energy always remain conserved.
2 Pressure is the result of elastic collision of molecules with the container's wall.
3 Molecules are separated by great distances compared to their sizes.
4 All the molecules move in straight line between collision and the same velocity.
JEE - 2013
CHXI06:STATES OF MATTER

314232 The kinetic energy of 1 mole of oxygen molecules in cal \(\mathrm{\mathrm{mol}^{-1}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 300
2 600
3 900
4 800
CHXI06:STATES OF MATTER

314233 The temperature at which methane molecules have the same average kinetic energy as that of oxygen molecules at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 \(\mathrm{327^{\circ} \mathrm{C}}\)
2 \(\mathrm{27^{\circ} \mathrm{C}}\)
3 \(\mathrm{927^{\circ} \mathrm{C}}\)
4 \(\mathrm{627^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314234 If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

1 \(\frac{{\rm{X}}}{{\rm{N}}}\)
2 NX
3 \(2{\rm{NX}}\)
4 \(\frac{{{\rm{NX}}}}{2}\)
CHXI06:STATES OF MATTER

314230 As the temperature is raised from \(\mathrm{20^{\circ} \mathrm{C}}\) to \(\mathrm{40^{\circ} \mathrm{C}}\), the average kinetic energy of neon atoms changes by a factor

1 \(\mathrm{\dfrac{313}{293}}\)
2 \(\mathrm{\sqrt{\left(\dfrac{313}{293}\right)}}\)
3 \(\mathrm{1 / 2}\)
4 2
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CHXI06:STATES OF MATTER

314250 Which one of the following is the wrong assumption of kinetic theory of gases?

1 Momentum and energy always remain conserved.
2 Pressure is the result of elastic collision of molecules with the container's wall.
3 Molecules are separated by great distances compared to their sizes.
4 All the molecules move in straight line between collision and the same velocity.
JEE - 2013
CHXI06:STATES OF MATTER

314232 The kinetic energy of 1 mole of oxygen molecules in cal \(\mathrm{\mathrm{mol}^{-1}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 300
2 600
3 900
4 800
CHXI06:STATES OF MATTER

314233 The temperature at which methane molecules have the same average kinetic energy as that of oxygen molecules at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 \(\mathrm{327^{\circ} \mathrm{C}}\)
2 \(\mathrm{27^{\circ} \mathrm{C}}\)
3 \(\mathrm{927^{\circ} \mathrm{C}}\)
4 \(\mathrm{627^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314234 If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

1 \(\frac{{\rm{X}}}{{\rm{N}}}\)
2 NX
3 \(2{\rm{NX}}\)
4 \(\frac{{{\rm{NX}}}}{2}\)
CHXI06:STATES OF MATTER

314230 As the temperature is raised from \(\mathrm{20^{\circ} \mathrm{C}}\) to \(\mathrm{40^{\circ} \mathrm{C}}\), the average kinetic energy of neon atoms changes by a factor

1 \(\mathrm{\dfrac{313}{293}}\)
2 \(\mathrm{\sqrt{\left(\dfrac{313}{293}\right)}}\)
3 \(\mathrm{1 / 2}\)
4 2
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CHXI06:STATES OF MATTER

314250 Which one of the following is the wrong assumption of kinetic theory of gases?

1 Momentum and energy always remain conserved.
2 Pressure is the result of elastic collision of molecules with the container's wall.
3 Molecules are separated by great distances compared to their sizes.
4 All the molecules move in straight line between collision and the same velocity.
JEE - 2013
CHXI06:STATES OF MATTER

314232 The kinetic energy of 1 mole of oxygen molecules in cal \(\mathrm{\mathrm{mol}^{-1}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 300
2 600
3 900
4 800
CHXI06:STATES OF MATTER

314233 The temperature at which methane molecules have the same average kinetic energy as that of oxygen molecules at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 \(\mathrm{327^{\circ} \mathrm{C}}\)
2 \(\mathrm{27^{\circ} \mathrm{C}}\)
3 \(\mathrm{927^{\circ} \mathrm{C}}\)
4 \(\mathrm{627^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314234 If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

1 \(\frac{{\rm{X}}}{{\rm{N}}}\)
2 NX
3 \(2{\rm{NX}}\)
4 \(\frac{{{\rm{NX}}}}{2}\)
CHXI06:STATES OF MATTER

314230 As the temperature is raised from \(\mathrm{20^{\circ} \mathrm{C}}\) to \(\mathrm{40^{\circ} \mathrm{C}}\), the average kinetic energy of neon atoms changes by a factor

1 \(\mathrm{\dfrac{313}{293}}\)
2 \(\mathrm{\sqrt{\left(\dfrac{313}{293}\right)}}\)
3 \(\mathrm{1 / 2}\)
4 2
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CHXI06:STATES OF MATTER

314250 Which one of the following is the wrong assumption of kinetic theory of gases?

1 Momentum and energy always remain conserved.
2 Pressure is the result of elastic collision of molecules with the container's wall.
3 Molecules are separated by great distances compared to their sizes.
4 All the molecules move in straight line between collision and the same velocity.
JEE - 2013
CHXI06:STATES OF MATTER

314232 The kinetic energy of 1 mole of oxygen molecules in cal \(\mathrm{\mathrm{mol}^{-1}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 300
2 600
3 900
4 800
CHXI06:STATES OF MATTER

314233 The temperature at which methane molecules have the same average kinetic energy as that of oxygen molecules at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 \(\mathrm{327^{\circ} \mathrm{C}}\)
2 \(\mathrm{27^{\circ} \mathrm{C}}\)
3 \(\mathrm{927^{\circ} \mathrm{C}}\)
4 \(\mathrm{627^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314234 If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

1 \(\frac{{\rm{X}}}{{\rm{N}}}\)
2 NX
3 \(2{\rm{NX}}\)
4 \(\frac{{{\rm{NX}}}}{2}\)
CHXI06:STATES OF MATTER

314230 As the temperature is raised from \(\mathrm{20^{\circ} \mathrm{C}}\) to \(\mathrm{40^{\circ} \mathrm{C}}\), the average kinetic energy of neon atoms changes by a factor

1 \(\mathrm{\dfrac{313}{293}}\)
2 \(\mathrm{\sqrt{\left(\dfrac{313}{293}\right)}}\)
3 \(\mathrm{1 / 2}\)
4 2
NEET DIGITAL LIBRARY
CHXI06:STATES OF MATTER

314250 Which one of the following is the wrong assumption of kinetic theory of gases?

1 Momentum and energy always remain conserved.
2 Pressure is the result of elastic collision of molecules with the container's wall.
3 Molecules are separated by great distances compared to their sizes.
4 All the molecules move in straight line between collision and the same velocity.
JEE - 2013
CHXI06:STATES OF MATTER

314232 The kinetic energy of 1 mole of oxygen molecules in cal \(\mathrm{\mathrm{mol}^{-1}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 300
2 600
3 900
4 800
CHXI06:STATES OF MATTER

314233 The temperature at which methane molecules have the same average kinetic energy as that of oxygen molecules at \(\mathrm{27^{\circ} \mathrm{C}}\) is

1 \(\mathrm{327^{\circ} \mathrm{C}}\)
2 \(\mathrm{27^{\circ} \mathrm{C}}\)
3 \(\mathrm{927^{\circ} \mathrm{C}}\)
4 \(\mathrm{627^{\circ} \mathrm{C}}\)
CHXI06:STATES OF MATTER

314234 If X is the total number of collisions which a gas molecule register with others per unit time under particular conditions, then the collision frequency of the gas containing N molecules per unit volume is

1 \(\frac{{\rm{X}}}{{\rm{N}}}\)
2 NX
3 \(2{\rm{NX}}\)
4 \(\frac{{{\rm{NX}}}}{2}\)
CHXI06:STATES OF MATTER

314230 As the temperature is raised from \(\mathrm{20^{\circ} \mathrm{C}}\) to \(\mathrm{40^{\circ} \mathrm{C}}\), the average kinetic energy of neon atoms changes by a factor

1 \(\mathrm{\dfrac{313}{293}}\)
2 \(\mathrm{\sqrt{\left(\dfrac{313}{293}\right)}}\)
3 \(\mathrm{1 / 2}\)
4 2