List of top Chemistry Questions on States of matter

Points I, II and III in the following plot respectively correspond to ($V_{mp} :$ most probable velocity)

A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is :

What is the density of water vapour at boiling point of water?

Which of the following statement(s) is(are) correct regarding the root mean square speed ($U_{rms}$) and average translational kinetic energy $\left(\varepsilon_{av}\right)$ of a molecule in a gas at equilibrium ?

What are the states of Matter?

___ have a definite shape and a definite volume

Equal weights of ethane and hydrogen are mixed in an empty container at $25^{\circ}C$. The The fraction of total pressure exerted by hydrogen is

What will be the relation between the $ T_1 $ of gas $ 1 $ with $ M_1 = 56 $ and $ T_2 $ of gas $ 2 $ with $ M_2 = 44 $ if the average speed of gas $ 1 $ is equal to most probable speed of gas $ 2 $ ?

Given van der Waals constant for $NH _{3}, H _{2}, O _{2}$ and $CO _{2}$ are respectively $4.17, 0.244, 1.36$ and $3.59$, which one of the following gases is most easily liquefied?

In van der Waals equation at constant temperature 300 K, if a = 1.4 atm L mol, V = 100 mL, n = 1 mole, then what is the pressure of the gas?

Gas in a cylinder is maintained at $10 \,atm$ pressure and $300\, K$ temperature. The cylinder will explode if pressure of gas goes beyond $15\, atm$. What is the maximum temperature to which gas can be heated?

For an ideal gas, compressibility factor is

At $300\, K$, the density of a certain gaseous molecule at $2$ bar is double to that of dinitrogen $(N_2)$ at $4$ bar. The molar mass of gaseous molecule is :

Among the following, the incorrect statement is :

The root means square velocity of hydrogen at $ STP $ is $ 1.83 \times 10^5 \,cm \, sec^{-1} $ and its means free path is $ 1.78 \times 10^{-5} \,cm $ . What will be the collision number at $ STP $ ?

At very high pressures, the compressibility factor of one mole of a gas is given by :

Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape ?

Which of the following demonstrates non-ideal behaviour of a gas?

At what temperature, the rate of effusion of $N_2$ would be $1.625$ times than that of $SO_2$ at $50^{\circ} C$ ?

Critical temperature of CO is 304 K, it cannot be liquified above 304 K. At a certain temperature, $volume \propto\frac{1}{pressure}$

Which of the following is the correct option for free expansion of an ideal gas under adiabatic condition?

The reduced volume and reduced temperature of a gas are $10.2$ and $0.7$ respectively. If its critical pressure is $4.25\, atm$ then its pressure will be

The intermolecular interaction that is dependent on the inverse cube of distance between the molecules is

When does a gas deviate the most from its ideal behaviour ?

A gas at high temperature is cooled. The highest temperature at which liquefaction of gas first occurs is called