Gaseous State · Chemistry · WB JEE

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MCQ (Single Correct Answer)

WB JEE 2023
The root mean square (rms) speed of X$$_2$$ gas is x m/s at a given temperature. When the temperature is doubled, the X$$_2$$ molecules dissociated co...
WB JEE 2023
Case - 1 : An ideal gas of molecular weight M at temperature T. Case - 2 : Another ideal gas of molecular weight 2M at temperature T/2. Identify the c...
WB JEE 2022
The average speed of H2 at T1K is equal to that of O2 at T2K. The ratio T1 : T2 is...
WB JEE 2022
Avogadro's law is valid for
WB JEE 2022
Let (Crms)H2 is the r.m.s. speed of H2 at 150 K. At what temperature, the most probable speed of helium [Cmp)He] will be half of (Crms)H2 ?...
WB JEE 2021
Molecular velocities of two gases at the same temperature (T) are u1 and u2. Their masses are m1 and m2 respectively. Which of the following expressio...
WB JEE 2020
At 273 K temperature and 76 cm Hg pressure the density of a gas is 1.964 g L-1. The gas is
WB JEE 2019
For a van der Waals' gas, the term $$\left( {{{ab} \over {{V^2}}}} \right)$$ represents some
WB JEE 2017
For same mass of two different ideal gases of molecular weights M1 and M2, Plots of log V vs log p at a given constant temperature are shown. Identify...

MCQ (More than One Correct Answer)

WB JEE 2023
Which statement(s) is/are applicable above critical temperature?
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