IIT-JEE 2009 Paper 1 Offline | Gaseous State Question 12 | Chemistry

IIT-JEE 2009 Paper 1 Offline

MCQ (Single Correct Answer)

-1

The term that corrects for the attractive forces present in a real gas in the van der Waals equation is

$$nb$$

$${{a{n^2}} \over {{V^2}}}$$

$$ - {{a{n^2}} \over {{V^2}}}$$

$$ - nb$$

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

The average velocity of an ideal gas molecule at 27^oC is 0.3m/sec. The average velocity at 927^oC will be

0.6 m/sec

0.3 m/sec

0.9 m/sec

3.0 m/sec

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

JEE Advanced Subjects