IIT-JEE 1985 | Gaseous State Question 33 | Chemistry

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IIT-JEE 1985

MCQ (Single Correct Answer)

-0.25

Rate of diffusion of a gas is

directly proportional to its density

directly proportional to the square root of its molecular weight

inversely proportional to the square root of its molecular weight.

directly proportional to its molecular weight

IIT-JEE 1984

MCQ (Single Correct Answer)

-0.25

Equal weights of methane and hydrogen are mixed in an empty container at 25^oC. The fraction of the total pressure exerted by hydrogen is

1/2

8/9

1/9

16/17

IIT-JEE 1982

MCQ (Single Correct Answer)

-0.25

Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is

two times that of a hydrogen molecule

four times that of a hydrogen molecule

same as that of a hydrogen molecule

half that of a hydrogen molecule

IIT-JEE 1981

MCQ (Single Correct Answer)

-0.25

The temperature at which a real gas obeys the ideal gas aws over a wide range of pressure is

Critical temperature

Boyle temperature

Inversion temperature

Reduced temperature

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