1

JEE Main 2020 (Online) 7th January Evening Slot

MCQ (Single Correct Answer)

+4

-1

Identify the correct labels of A,B and C in the following graph from the options given below :

Root mean square speed (V

Root mean square speed (V

_{rms}); most probable speed (V_{mp}); Average speed (V_{av})2

JEE Main 2019 (Online) 10th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

Points I, II and III in the following plot respectively correspond to

(V

(V

_{mp}: most probable velocity)3

JEE Main 2019 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

Consider the following table :

a and b are vander Waals constants. The correct statement about the gases is :

Gas | a/(k Pa dm^{6} mol^{-1}) |
b/(dm^{3} mol^{-1}) |
---|---|---|

A | 642.32 | 0.05196 |

B | 155.21 | 0.04136 |

C | 431.91 | 0.05196 |

D | 155.21 | 0.4382 |

a and b are vander Waals constants. The correct statement about the gases is :

4

JEE Main 2019 (Online) 9th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

At a given temperature T, gases Ne, Ar, Xe and
Kr are found to deviate from ideal gas
behaviour. Their equation of state is given as

$$p = {{RT} \over {V - b}}$$ at T.

Here, b is the van der Waals constant. Which gas will exhibit steepest increase in the plot of Z (compression factor) vs p?

$$p = {{RT} \over {V - b}}$$ at T.

Here, b is the van der Waals constant. Which gas will exhibit steepest increase in the plot of Z (compression factor) vs p?

Questions Asked from Gaseous State (MCQ (Single Correct Answer))

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