1
JEE Advanced 2020 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most probable, the average, and the root mean square speeds, respectively, is

JEE Advanced 2020 Paper 1 Offline Chemistry - Gaseous State Question 9 English
A
1 : 1 : 1
B
1 : 1 : 1.224
C
1 : 1.128 : 1.224
D
1 : 1.128 : 1
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

For one mole of a van der Waals gas when b = 0 and T = 300 K, the PV vs. 1/V plot is shown below. The value of the van der Waals constant a (atm L2 mol$$-$$2) is

IIT-JEE 2012 Paper 1 Offline Chemistry - Gaseous State Question 6 English

A
1.0
B
4.5
C
1.5
D
3.0
3
IIT-JEE 2009 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

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

A
$$nb$$
B
$${{a{n^2}} \over {{V^2}}}$$
C
$$ - {{a{n^2}} \over {{V^2}}}$$
D
$$ - nb$$
4
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The average velocity of an ideal gas molecule at 27oC is 0.3m/sec. The average velocity at 927oC will be
A
0.6 m/sec
B
0.3 m/sec
C
0.9 m/sec
D
3.0 m/sec
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