Ideal Behavior of Gases

IMPORTANT

Ideal Behavior of Gases: Overview

This topic covers concepts, such as, Ideal Gas etc.

Important Questions on Ideal Behavior of Gases

MEDIUM
IMPORTANT

Internal energy of n1 mol of hydrogen of temperature T is equal to the internal energy of n2 mol of helium at temperature 2T. The value of 10n1n2 is

EASY
IMPORTANT

One mole of an ideal gas present in a closed vessel, is compressed to one third of its original volume under constant temperature then % increase in pressure of gas is -

EASY
IMPORTANT

The diameter of a balloon filled by 8  moles of He gas is 10 cm. If 7 moles of He gas effuses out in the night, then what would be the diameter of balloon in the next morning? Assume constant pressure and temperature for the gas.

MEDIUM
IMPORTANT

The product of PV is plotted against P at two temperatures T1 and T2 and the result is shown in the figure. What is correct about T1 and T2?

Question Image

HARD
IMPORTANT

An open vessel at 27°C is heated until two-fifth of the air (assumed as an ideal gas) in it has escaped from the vessel. Assuming that the volume of the vessel remains constant, the temperature at which the vessel has been heated is:

EASY
IMPORTANT

Two closed bulbs of the equal volume V containing an ideal gas initially at pressure pi and temperature T1 are connected through a narrow tube of negligible volume as shown in the figure below. The temperature of one of the bulbs is then raised to T2. The final pressure pf is:

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EASY
IMPORTANT

If size of a hydrogen molecule is assumed to be 1 Å then calculate the ratio of molar volume to atomic volume for 1 mole of hydrogen gas.

EASY
IMPORTANT

Which of the following is true for the maximum deviation of a gas from its ideal behavior?

EASY
IMPORTANT

Which of the following relation is correct according to Kinetic Theory of gases? (Symbols have their usual meanings.)

MEDIUM
IMPORTANT

Considering the following graph for an ideal solution, find the correct statement(s). 

 

Question Image

 

EASY
IMPORTANT

The density of a gas A is three times that of a gas B. If the molecular mass of A is 60  g  mol-1 then the molecular mass of gas B is  _____ g mol-1

EASY
IMPORTANT

To an evacuated empty vessel which has a movable piston under external pressure of 1 atm, 0.20 mol of He and 1.00 mol  of an unknown gas (vapour pressure = 0.70 atm at 300 K) are introduced. Assuming ideal gas behavior, the total volume of the gases at 300 K is------ L Take R = 0.08 atm L mol-1K-1

HARD
IMPORTANT

A cylinder of compressed gas that bears no label is supposed to contain either ethane or ethene. Combustion of the sample shows that 16 cm3 of the gas require 48 cm3 of oxygen for complete combustion. This shows that the gas is

HARD
IMPORTANT

The drain cleaner, drainex contains small bits of aluminium which react with caustic soda to produce dihydrogen. What volume of dihydrogen in ml at 20°C and one bar will be released when 0.15 g of aluminium reacts?

(Take 1 bar=0.987 atm)

EASY
IMPORTANT

Which of the following graphs is inconsistent with ideal gas behaviour ?

MEDIUM
IMPORTANT

Match the conditions of matrix from List-I with List-II, for ideal gas.

  List-I   List-II
P. 1V2 versus P at constant T and n 1. Question Image
Q. V versus 1T at constant P and n 2. Question Image
R. PT versus T2 at constant V 3. Question Image
S. V versus 1P2 at constant T and n 4. Question Image
    5. Question Image


आदर्श गैस के लिए सूची-I तथा सूची-II से मैट्रिक्स स्थितियों को सुमेलित कीजिए
.
  सूची -I   सूची -II
P. नियत T व n पर 1V2 व P के मध्य ग्राफ 1. Question Image
Q. नियत P व n पर V व 1T के मध्य ग्राफ 2. Question Image
R. नियत V पर PT व T2 के मध्य ग्राफ 3. Question Image
S. नियत T व n पर V व 1P2 के मध्य ग्राफ 4. Question Image
    5. Question Image

Select the correct combination
सही संयोजन का चयन कीजिए

EASY
IMPORTANT

An ideal gas has pressure P, volume V and absolute temperature T. If m is the mass of each molecule and K is the Boltzmann constant then density of the gas is

MEDIUM
IMPORTANT

Match the following

List – I List – II
A Viscosity I Critical temperature
B Ideal gas behaviour II Isobar
C Liquefaction of gases III Compressibility factor
D Charle’s law IV kg s-2
    V kg m-1 s-1

MEDIUM
IMPORTANT

The drain cleaner, Drainex contains small bits of aluminum which react with caustic soda to produce dihydrogen. What volume of dihydrogen at 200C and one bar will be released when 0.15 g aluminum reacts?

HARD
IMPORTANT

Internal energy of n1 mol of hydrogen of temperature T is equal to the internal energy of n2 mol of helium at temperature 2T. The ratio n1n2 is