A real gas behaves as an ideal gas at
(a) High pressure and high temperature
(b) High pressure and low temperature
(c) Low pressure and high temperature
(d) Low pressure and low temperature
WBBSE
Class X
Physical Science
Behaviour of Gases
01 Mark
2024
(c) Low pressure and high temperature
Explanation
At low pressure and high temperature, intermolecular forces become negligible, and gas molecules move more freely, making a real gas behave like an ideal gas.
Related Questions
More WBBSE Easy level questions
1/12
Q.
What is the nature of P vs 1/V graph?
A.
The nature of the P vs 1/V graph is hyperbolic.
Q.
What is the product of the pressure and volume of 32 g of O2 gas...
A.
PV = nRT = 1 × 0.082 × 273 = 22.4 atm...
Q.
What will be the ratio of a number of molecules present in 1 L of...
A.
d. 1 : 4 Explanation: At STP, equal volumes of gases contain...
Q.
Write down the ideal gas equation for 1 mol gas.
A.
PV=RT (where, n = 1)
Q.
What are constants in Charles’ law?
A.
In Charles' law, the constants are pressure and the mass of gas....
Q.
What is SI unit of pressure of gas?
A.
The SI unit of pressure of a gas is the pascal (Pa).
Q.
The P – V graph of Boyle’s Law related to gas is
A.
(b) Explanation: The P-V graph (Pressure vs. Volume) related to Boyle's Law...
Q.
The coefficient of linear expansion of aluminium is 24×10-6 ºC-1. What would be its value...
A.
Coefficient of linear expansion of aluminium = 24 × 10⁻⁶ °C⁻¹. Since...
Q.
Write down the correlation between absolute temperature and density of gas.
A.
Density (ρ) ∝ 1/Temperature (T), when pressure is constant.
Q.
The value of the ratio of the volume coefficient to the pressure coefficient of an...
A.
(d) 1 Explanation For an ideal gas, the ratio of the volume...
Q.
Write the volume of one mole oxygen gas at S.T.P.
A.
At Standard Temperature and Pressure (S.T.P.), one mole of any gas occupies...
Q.
According to Charles’ law, at (−) 273°C, the volume of any gas is infinite.
A.
False Explanation At −273°C (0 K), the volume of an ideal gas...