Kinetic Theory of Gases Test

Result

Kinetic Theory of Gases Test - 65

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

A vessel contains 14 g (7 moles) of hydrogen and 96 g (9 moles) of oxygen at S.T.P. Chemical reaction is induced by passing electric spark in the vessel till one of the gases is consumed. The temperature is brought back to it\'s starting value 273 K. The pressure in the vessel is

A
0.1 atm

B
0.2 atm

C
0.3 atm

D
0.4 atm

Solution
Question 2
4 / -1

A jar contains a gas and few drops of water at T K. The pressure in the jar is 830 mm of mercury. The temperature of jar is reduced by 1%. The saturated vapour pressure of water at the two temperatures are 30 mm and 25 mm of mercury. Then the new pressure in the jar will be

A
917 mm of Hg

B
717 mm of Hg

C
817 mm of Hg

D
None of these

Solution
Question 3
4 / -1

Molar specific heat of oxygen at constant pressure C_P = 7.2 cal/mol° C and R = 8.3 Joule/ mol K. At constant volume, 5 mol of oxygen is heated from 10°C to 20°C, the quantity of heat required is approximately

A
25 cal

B
50 cal

C
250 cal

D
500 cal

Solution
Question 4
4 / -1

One mole of an ideal gas required 207 J heat to raise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K, the heat required is
(Given the gas constant R = 8.3 J/mol-K)

A
198.7 J

B
29 J

C
215.3 J

D
124 J

Solution
Question 5
4 / -1

The expansion of an ideal gas of mass m at a constant pressure P is given by the straight line D. Then the expansion of the same ideal gas of mass 2m at apressure P/2 is given by the straight line

A
E

B
C

C
B

D
A

Solution
Question 6
4 / -1

An experiment is carried on a fixed amount of gas at different temperatures and at high pressure, such that it deviates from the ideal gas behaviour. The variation ofPV/RT with P is shown in the diagram. The correct variation will correspond to

A
Curve A

B
Curve B

C
Curve C

D
Curve D

Solution
Question 7
4 / -1

The graph which represents the variation of mean kinetic energy of molecules with temperature t°C is

A

B

C

D

Solution
Question 8
4 / -1

The expansion of unit mass of a perfect gas at constant pressure is shown in the diagram. Here

A
a = volume, b = °C temperature

B
a = volume, b = K temperature

C
a = °C temperature,b = volume

D
a = K temperature, b = volume

Solution
Question 9
4 / -1

Pressure versus temperature graph of an ideal gas of equal number of moles of different volumes are plotted as shown in figure. Choose the correct alternative

A
V₁= V₂, V₃ = V₄ and V₂> V₃

B
V₁ = V₂, V₃ = V₄ and V₂< V₃

C
V₁ = V₂= V₃ = V₄

D
V₄> V₃> V₂> V₁

Solution
Question 10
4 / -1

A
(i) only

B
(i) and (ii) only

C
All of these

D
None of the above

Solution