1

IIT-JEE 1982

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is
A
two times that of a hydrogen molecule
B
four times that of a hydrogen molecule
C
same as that of a hydrogen molecule
D
half that of a hydrogen molecule
2

IIT-JEE 1981

The ratio of root mean square velocity to average velocity of a gas molecule at a particular temperature is
A
1.086:1
B
1:1.086
C
2:1.086
D
1.086:2
3

IIT-JEE 1981

The temperature at which a real gas obeys the ideal gas aws over a wide range of pressure is
A
Critical temperature
B
Boyle temperature
C
Inversion temperature
D
Reduced temperature
4

IIT-JEE 1981

Equal weights of methane and oxygen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by oxygen is
A
1/3
B
1/2
C
2/3
D
${1 \over 3} \times {{273} \over {298}}$

Questions Asked from States of Matter

On those following papers in MCQ (Single Correct Answer)
Number in Brackets after Paper Indicates No. of Questions
IIT-JEE 1986 (1)
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IIT-JEE 1985 (1)
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IIT-JEE 1984 (1)
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IIT-JEE 1982 (1)
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IIT-JEE 1981 (3)
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