Related InterviewSolutions

• Which of the following pair will diffuse at the same rate? (a) CO2 and N2O (b) CO2 and NO (c) CO2 and CO (d) N2O and NO
• State Boyle’s law.
• A balloon filled with air at room temperature and cooled to a much lower temperalure can be used as a model for Charles’ law.
• The density of helium is 0.1784 kg/m3 at STP. If a given mass of helium at STP is allowed to expand to 1.400 times of its initial volume by changing P and T, compute its resultant density.
• Assertion : Critical temperature of CO2 is 304 K, it can be liquefied above 304 K. Reason : For a given mass of gas, volume is to directly proportional to pressure at constant temperature. (a) both assertion and reason arc true and reason is the correct explanation of assertion (b) both assertion and reason are true but reason is not the correct explanation of assertion(c) assertion is true but reason is false (d) both assertion and reason are false
• In Vander Waals equation of state for a non-ideal gas the net force of attraction among the molecules is given by …(a) \(\frac{an^2}{V^2}\)(b) P + \(\frac{an^2}{V^2}\)(c) P – \(\frac{an^2}{V^2}\)(d) – \(\frac{an^2}{V^2}\)
• Using the equation of state PV = nRT, show that at a given temperature density of a gas is proportional to gas pressure P. 
• The value of compression factor Z is equal to ……(a) \(\frac{nRT}{PV}\)(b) \(\frac{PV}{RT}\)(c) PV x nRT(d) \(\frac{PV}{nRT}\)
• Statement-I : At constant temperature PV vs V plot for real gases is not a straight line. Statement-II : At high pressure, all gases have Z >1, but at intermediate pressure most gases have Z <1. (a) Statement-I and II are correct and Statement-II is the correct explanation of Statement-I (b) Statement-I and II are correct but Statement-II is not the correct explanation of Statement-I (c) Statement-I is correct but Statement-II is wrong (d) Statement-I is wrong but Statement-II is correct . 
• Which one of the following represents the Charles’ law? (a) PV = Constant (b) V / T = Constant (c) VT Constant (d) T / V = R