Gaseous State (Advanced) - Practice Sheet, Class 11, Chemistry JEE Notes | EduRev

Chemistry for JEE Advanced

JEE : Gaseous State (Advanced) - Practice Sheet, Class 11, Chemistry JEE Notes | EduRev

 Page 1


LEARNERS HABITAT
1] A spherical balloon of 21 cm diameter and 4.851 L volume is to be filled with hydrogen
at NTP from a cylinder containing the gas at 20 atm and 27
0
C. The cylinder can hold
2.82 L of water at NTP. What will be the number of balloons that can be filled up?
a) 5 b) 10 c) 15 d) 20
2] An L. P. G. cylinder contains 15 kg of butane gas at 27
0
C and 10 atmospheric pressure. It
was leaking and its pressure fell down to 8 atmospheric pressure after one day. The gas
leaked in 5 days is
a) 10 kg b) 3 kg c) 15 kg d) 12 kg
3] A flask containing air (open to the atmosphere) is heated from 300 K to 500 K. then % of
air escaped to the atmosphere is 
a) 20.0 b) 40 c) 60 d) 80
4] For X g of ideal gas V and V 0 are the volumes at t
0
C and 0
0
C respectively at 1 atm
pressure so that V/V0 = (1 + ? t). Here, ? is
a) < 1 b) < 0 c) > 1 d) = 0
5] The values of critical temperatures (Tc) and critical pressure (Pc) for some gases are
given below. Which of the gases cannot be liquefied at 100 K and 50 atm?
Gases A B C D 
P c(atm) 2.2 14 35 45 
Tc(K) 5.1 33 127 140 
a) D only b) A only c) A and b d) C and D
6] The compressibility of gas < unity at STP. Therefore
a) V m = 22.4 L b) V m < 22.4 L c) V m = 22.4 L d) V m = 44.8 L
7] Open end manometer was connected to gas chamber. The Hg level stood 15 mm higher
in the open end as compared to the end connected to gas chamber. If the atmospheric
pressure is 101.3 kPa. The gas pressure in kPa is
a) 103.3 b) 101.3 c) 94.3 d) 115.3
8] What is wrong about the 50 L vessel that contains dioxygen and dihydrogen in the 
molar ratio of 1:1, at a pressure 101.3 kPa?
a) H2 molecules move faster than oxygen
b) Each gas has same number of molecules
c) If O2 is removed from the mixture, the pressure will fall to 25.3 kPa
d) On the average, the molecular impacts of H 2 on the walls per unit time are larger than 
those of oxygen
9] 5.0 dm
3
 of water is placed in a closed room of volumes 2.5 x 10
4
 dm3 at 300 k if vapour 
pressure of water is 0.036 bars and its density is 0.990 g cm
-3
, the volume of water left in 
liquid state is 
a) 4.34 dm
3
b) 3.44 dm
3
c) 2.5dm
3
d) 4.5 dm
3 
LH Practice Sheet GASEOUS STATE
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