Ideal Gas
CHXI06:STATES OF MATTER

314164 \(\mathrm{\mathrm{A}^{\prime} V^{\prime} d m^{3}}\) flask contains gas \(\mathrm{\mathrm{A}}\) and another flask of \(\mathrm{2 \mathrm{Vdm^{3 }}}\) contains gas \(\mathrm{\mathrm{B}}\) at the same temperature. If density of gas A is \(\mathrm{3.0 \mathrm{~g} \mathrm{dm}^{-3}}\) and of gas \(\mathrm{\mathrm{B}}\) is \(\mathrm{1.5 \mathrm{~g} \mathrm{dm}^{-3}}\) and molecular weight of \(\mathrm{\mathrm{A}}\) is half of the molecular weight of \(\mathrm{\mathrm{B}}\), then the ratio of pressure exerted by gases is

1 \(\mathrm{\dfrac{P_{A}}{P_{B}}=2}\)
2 \(\mathrm{\dfrac{P_{A}}{P_{B}}=1}\)
3 \(\mathrm{\dfrac{P_{A}}{P_{B}}=4}\)
4 \(\mathrm{\dfrac{P_{A}}{P_{B}}=3}\)
CHXI06:STATES OF MATTER

314165 The density of a gas at \(\mathrm{-23^{\circ} \mathrm{C}}\) and 780 torr is 1.40 gram per litre. Which one of the following gases is it?

1 \(\mathrm{\mathrm{CO}_{2}}\)
2 \(\mathrm{\mathrm{SO}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{Cl}_{2}}\)
CHXI06:STATES OF MATTER

314166 Density of a gas is found to be \(\mathrm{5.46 \mathrm{~g} / \mathrm{dm}^{3}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) at 2 bar pressure. What will be its density at STP?

1 \(\mathrm{5 \mathrm{~g} / \mathrm{dm}^{3}}\)
2 \(\mathrm{6 \mathrm{~g} / \mathrm{dm}^{3}}\)
3 \(\mathrm{3 \mathrm{~g} / \mathrm{dm}^{3}}\)
4 \(\mathrm{4 \mathrm{~g} / \mathrm{dm}^{3}}\)
CHXI06:STATES OF MATTER

314167 The density of a gas at \(\mathrm{27^{\circ} \mathrm{C}}\) and \(\mathrm{1 \mathrm{~atm}}\) is '\(\mathrm{d}\)'. Pressure remaining constant, the temperature at which its density becomes \(\mathrm{0.75 \mathrm{~d}}\) is

1 \(\mathrm{20^{\circ} \mathrm{C}}\)
2 \(\mathrm{30^{\circ} \mathrm{C}}\)
3 \(\mathrm{400 \mathrm{~K}}\)
4 \(\mathrm{300 \mathrm{~K}}\)
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CHXI06:STATES OF MATTER

314164 \(\mathrm{\mathrm{A}^{\prime} V^{\prime} d m^{3}}\) flask contains gas \(\mathrm{\mathrm{A}}\) and another flask of \(\mathrm{2 \mathrm{Vdm^{3 }}}\) contains gas \(\mathrm{\mathrm{B}}\) at the same temperature. If density of gas A is \(\mathrm{3.0 \mathrm{~g} \mathrm{dm}^{-3}}\) and of gas \(\mathrm{\mathrm{B}}\) is \(\mathrm{1.5 \mathrm{~g} \mathrm{dm}^{-3}}\) and molecular weight of \(\mathrm{\mathrm{A}}\) is half of the molecular weight of \(\mathrm{\mathrm{B}}\), then the ratio of pressure exerted by gases is

1 \(\mathrm{\dfrac{P_{A}}{P_{B}}=2}\)
2 \(\mathrm{\dfrac{P_{A}}{P_{B}}=1}\)
3 \(\mathrm{\dfrac{P_{A}}{P_{B}}=4}\)
4 \(\mathrm{\dfrac{P_{A}}{P_{B}}=3}\)
CHXI06:STATES OF MATTER

314165 The density of a gas at \(\mathrm{-23^{\circ} \mathrm{C}}\) and 780 torr is 1.40 gram per litre. Which one of the following gases is it?

1 \(\mathrm{\mathrm{CO}_{2}}\)
2 \(\mathrm{\mathrm{SO}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{Cl}_{2}}\)
CHXI06:STATES OF MATTER

314166 Density of a gas is found to be \(\mathrm{5.46 \mathrm{~g} / \mathrm{dm}^{3}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) at 2 bar pressure. What will be its density at STP?

1 \(\mathrm{5 \mathrm{~g} / \mathrm{dm}^{3}}\)
2 \(\mathrm{6 \mathrm{~g} / \mathrm{dm}^{3}}\)
3 \(\mathrm{3 \mathrm{~g} / \mathrm{dm}^{3}}\)
4 \(\mathrm{4 \mathrm{~g} / \mathrm{dm}^{3}}\)
CHXI06:STATES OF MATTER

314167 The density of a gas at \(\mathrm{27^{\circ} \mathrm{C}}\) and \(\mathrm{1 \mathrm{~atm}}\) is '\(\mathrm{d}\)'. Pressure remaining constant, the temperature at which its density becomes \(\mathrm{0.75 \mathrm{~d}}\) is

1 \(\mathrm{20^{\circ} \mathrm{C}}\)
2 \(\mathrm{30^{\circ} \mathrm{C}}\)
3 \(\mathrm{400 \mathrm{~K}}\)
4 \(\mathrm{300 \mathrm{~K}}\)
CHXI06:STATES OF MATTER

314164 \(\mathrm{\mathrm{A}^{\prime} V^{\prime} d m^{3}}\) flask contains gas \(\mathrm{\mathrm{A}}\) and another flask of \(\mathrm{2 \mathrm{Vdm^{3 }}}\) contains gas \(\mathrm{\mathrm{B}}\) at the same temperature. If density of gas A is \(\mathrm{3.0 \mathrm{~g} \mathrm{dm}^{-3}}\) and of gas \(\mathrm{\mathrm{B}}\) is \(\mathrm{1.5 \mathrm{~g} \mathrm{dm}^{-3}}\) and molecular weight of \(\mathrm{\mathrm{A}}\) is half of the molecular weight of \(\mathrm{\mathrm{B}}\), then the ratio of pressure exerted by gases is

1 \(\mathrm{\dfrac{P_{A}}{P_{B}}=2}\)
2 \(\mathrm{\dfrac{P_{A}}{P_{B}}=1}\)
3 \(\mathrm{\dfrac{P_{A}}{P_{B}}=4}\)
4 \(\mathrm{\dfrac{P_{A}}{P_{B}}=3}\)
CHXI06:STATES OF MATTER

314165 The density of a gas at \(\mathrm{-23^{\circ} \mathrm{C}}\) and 780 torr is 1.40 gram per litre. Which one of the following gases is it?

1 \(\mathrm{\mathrm{CO}_{2}}\)
2 \(\mathrm{\mathrm{SO}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{Cl}_{2}}\)
CHXI06:STATES OF MATTER

314166 Density of a gas is found to be \(\mathrm{5.46 \mathrm{~g} / \mathrm{dm}^{3}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) at 2 bar pressure. What will be its density at STP?

1 \(\mathrm{5 \mathrm{~g} / \mathrm{dm}^{3}}\)
2 \(\mathrm{6 \mathrm{~g} / \mathrm{dm}^{3}}\)
3 \(\mathrm{3 \mathrm{~g} / \mathrm{dm}^{3}}\)
4 \(\mathrm{4 \mathrm{~g} / \mathrm{dm}^{3}}\)
CHXI06:STATES OF MATTER

314167 The density of a gas at \(\mathrm{27^{\circ} \mathrm{C}}\) and \(\mathrm{1 \mathrm{~atm}}\) is '\(\mathrm{d}\)'. Pressure remaining constant, the temperature at which its density becomes \(\mathrm{0.75 \mathrm{~d}}\) is

1 \(\mathrm{20^{\circ} \mathrm{C}}\)
2 \(\mathrm{30^{\circ} \mathrm{C}}\)
3 \(\mathrm{400 \mathrm{~K}}\)
4 \(\mathrm{300 \mathrm{~K}}\)
CHXI06:STATES OF MATTER

314164 \(\mathrm{\mathrm{A}^{\prime} V^{\prime} d m^{3}}\) flask contains gas \(\mathrm{\mathrm{A}}\) and another flask of \(\mathrm{2 \mathrm{Vdm^{3 }}}\) contains gas \(\mathrm{\mathrm{B}}\) at the same temperature. If density of gas A is \(\mathrm{3.0 \mathrm{~g} \mathrm{dm}^{-3}}\) and of gas \(\mathrm{\mathrm{B}}\) is \(\mathrm{1.5 \mathrm{~g} \mathrm{dm}^{-3}}\) and molecular weight of \(\mathrm{\mathrm{A}}\) is half of the molecular weight of \(\mathrm{\mathrm{B}}\), then the ratio of pressure exerted by gases is

1 \(\mathrm{\dfrac{P_{A}}{P_{B}}=2}\)
2 \(\mathrm{\dfrac{P_{A}}{P_{B}}=1}\)
3 \(\mathrm{\dfrac{P_{A}}{P_{B}}=4}\)
4 \(\mathrm{\dfrac{P_{A}}{P_{B}}=3}\)
CHXI06:STATES OF MATTER

314165 The density of a gas at \(\mathrm{-23^{\circ} \mathrm{C}}\) and 780 torr is 1.40 gram per litre. Which one of the following gases is it?

1 \(\mathrm{\mathrm{CO}_{2}}\)
2 \(\mathrm{\mathrm{SO}_{2}}\)
3 \(\mathrm{\mathrm{N}_{2}}\)
4 \(\mathrm{\mathrm{Cl}_{2}}\)
CHXI06:STATES OF MATTER

314166 Density of a gas is found to be \(\mathrm{5.46 \mathrm{~g} / \mathrm{dm}^{3}}\) at \(\mathrm{27^{\circ} \mathrm{C}}\) at 2 bar pressure. What will be its density at STP?

1 \(\mathrm{5 \mathrm{~g} / \mathrm{dm}^{3}}\)
2 \(\mathrm{6 \mathrm{~g} / \mathrm{dm}^{3}}\)
3 \(\mathrm{3 \mathrm{~g} / \mathrm{dm}^{3}}\)
4 \(\mathrm{4 \mathrm{~g} / \mathrm{dm}^{3}}\)
CHXI06:STATES OF MATTER

314167 The density of a gas at \(\mathrm{27^{\circ} \mathrm{C}}\) and \(\mathrm{1 \mathrm{~atm}}\) is '\(\mathrm{d}\)'. Pressure remaining constant, the temperature at which its density becomes \(\mathrm{0.75 \mathrm{~d}}\) is

1 \(\mathrm{20^{\circ} \mathrm{C}}\)
2 \(\mathrm{30^{\circ} \mathrm{C}}\)
3 \(\mathrm{400 \mathrm{~K}}\)
4 \(\mathrm{300 \mathrm{~K}}\)