States of Matter PYQs - Last 10 Years

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Practice 75 MHT CET Chemistry questions from States of Matter. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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Last 10 Years States of Matter Questions

Showing 50 of 75 filtered questions.

1States Of Matter

Find the number of moles of $\text{CO}_2$ present in a sample occuping $4 \times 10^{-3}\,\text{m}^3$ at $1.104 \times 10^5\,\text{Nm}^{-2}$ pressure ($R \times T = 2208\ \text{J mol}^{-1}$)

2States Of Matter

A mixture of 0.5 mol $\text{N}_2$ gas, 1.0 mol $\text{O}_2$ gas and 1.5 mol $\text{H}_2$ gas exerts a total pressure of 18 bar. Find the partial pressure of $\text{O}_{2(g)}$.

3States Of Matter

Which of the following is not an illustration of viscosity?

4States Of Matter

What ratio by mass of 'Ne' and $\text{CH}_4$ should be mixed so that partial pressure exerted by each gas is same?

5States Of Matter

A container contains mixture of He and Ne gases at certain temperature. He is 20 % by mass of mixture. What is the ratio of partial pressure of Helium to Neon ?

6States Of Matter

$V_0$ and $V_t$ are volumes of an ideal gas at $0\ ^\circ\text{C}$ and $t\ ^\circ\text{C}$ respectively, find ratio $\dfrac{V_t}{V_0}$

7States Of Matter

A gas at $10\,^\circ\text{C}$ occupies a volume of 283 mL. if it is heated to $20\,^\circ\text{C}$ keeping the pressure constant. What is the new volume of gas ?

8States Of Matter

Which of the following statements is true about ideal gas ?

9States Of Matter

At constant temperature, a gas occupies a volume of 200 mL at a pressure of 500 mm Hg. What will be its volume at 800 mm Hg pressure?

10States Of Matter

Calculate the compressibility factor of $1$ mole of a certain real gas if it occupies $0.4 \text{ dm}^3$ at $300$ K and $40$ atm. [R $= 0.082$ atm $\text{dm}^3 \text{K}^{-1}\text{mol}^{-1}$]

11States Of Matter

Calculate the new pressure of the gas enclosed in a cylinder when it compressed from 5 L to 2 L at 1 atm and 300 K. The final temperature in this process is 500 K.

12States Of Matter

Calculate the temperature of 2 moles of gas occupying a volume of 5.0 liters at 24.6 atmospheres?($R = 0.0821$ L atm K$^{-1}$ mol$^{-1}$)

13States Of Matter

A gas occupies a volume of $0.35$ dm$^3$ at $290$ K and $2$ atm. Pressure. Calculate the volume of gas at STP.

14States Of Matter

According to the kinetic molecular theory of gases, the average kinetic energy of gas molecules:

15States Of Matter

A syringe has a volume of $10.0\ \text{cm}^3$ at a pressure of $1$ atm. If the end is sealed and the plunger is pushed down (constant temperature), what will be the final volume when the pressure becomes $3.5$ atm?

16States Of Matter

Which of the following forces is involved in dinitrogen?

17States Of Matter

Equal masses of helium and oxygen are mixed in an empty container at $25^{\circ} \mathrm{C}$. What is the fraction of the total pressure exerted by helium?

18States Of Matter

A container consists mixture of four gases as $5 \mathrm{~g} \mathrm{H}_2, 8 \mathrm{~g} \mathrm{He}, 50 \mathrm{~g} \mathrm{CO}_2$ and 20 g Ne at a certain temperature. Which of the following gases exerts minimum partial pressure?

19States Of Matter

A container contains $4 \mathrm{~g} \mathrm{H}_2, 4 \mathrm{~g} \mathrm{He}$ and certain amount of 'Ne' at a certain temperature. What is the mass of 'Ne' required so that the partial pressure exerted by 'Ne' is equal to the partial pressur...

20States Of Matter

What is the number of moles present in $1 \mathrm{~m}^3$ of any gas at STP?

21States Of Matter

A container contains equal masses of $\mathrm{H}_2, \mathrm{He}$, $\mathrm{CO}_2$ and Ne at a certain temperature. Which of the following gas exerts maximum partial pressure?

22States Of Matter

A container contains equal masses of $\mathrm{H}_2, \mathrm{He}$, $\mathrm{CO}_2$ and Ne at a certain temperature. Which of the following gases exerts minimum partial pressure?

23States Of Matter

What is the SI unit of rate of diffusion for a gas?

24States Of Matter

The mass of $4.48 \mathrm{dm}^3$ of certain gas is 5.6 g at STP. Assuming ideal behaviour, identify the probable gas from following.

25States Of Matter

If compressibility factor of real gas is 1.05 at STP. What is molar volume of real gas?

26States Of Matter

A container consisting mixture of $28 \mathrm{~g} \mathrm{~N}_2, 8 \mathrm{~g} \mathrm{He}$ and 40 g Ne at $25^{\circ} \mathrm{C}$. If the total pressure exerted by the gaseous mixture is 20 bar , What is the partial pressure exerted by $\m...

27States Of Matter

Four vessels of same volume consist equal masses of four gases $\mathrm{H}_2, \mathrm{Cl}_2, \mathrm{~N}_2$, and $\mathrm{O}_2$ separately at same temperature. The pressure exerted by the gas is maximum for

28States Of Matter

Which from following is true according to Gay-Lussac's law?

29States Of Matter

Calculate the volume of gas at 1.25 atmosphere, if volume occupied by gas at 1 atmosphere and at same temperature is 25 mL .

30States Of Matter

Which of the following formula is used to calculate compressibility factor?

31States Of Matter

How many moles of dioxygen are present in $8.314 \times 10^{-3} \mathrm{~m}^3$ of it at 318 K having pressure $3.18 \times 10^5 \mathrm{Nm}^{-2} ?\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$

32States Of Matter

Which of the following graphs explains Boyle's law?

33States Of Matter

Which from following gases of same mass exerts highest pressure at constant temperature?

34States Of Matter

Which of the following equations is true for $8.8 \times 10^{-2} \mathrm{~kg}$ of carbon dioxide gas?

35States Of Matter

What is the numerical value of gas constant $R$ in terms of $\mathrm{L} \mathrm{atm} \mathrm{K}^{-1} \mathrm{~mol}^{-1}$ ?

36States Of Matter

Which of the following equations gives combined relationship of Boyle's law and Charle's law?

37States Of Matter

Which from following compounds is NOT in gaseous phase at $25^{\circ} \mathrm{C}$ ?

38States Of Matter

Calculate the partial pressure exerted by dioxygen from a mixture of $32 \mathrm{~g} \mathrm{O}_2, 80 \mathrm{~g} \mathrm{Ar}$ (mol.mass 40 ) and 4 g dihydrogen $\left(\mathrm{P}_{\text {total }}=10 \mathrm{bar}\right)$.

39States Of Matter

Which among the following gases is difficult to liquify?

40States Of Matter

What is the volume occupied by 2.5 mol of ammonia gas at STP?

41States Of Matter

3.4 moles of an ideal gas occupies volume of 68 mL at 300 K . What would be the pressure of gas? $\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$

42States Of Matter

A gas occupies $11.2 \mathrm{~dm}^3$ at 105 kPa What is the volume if pressure is increased to 210 kPa ?

43States Of Matter

What is the volume of a gas at $1.032 \times 10^5 \mathrm{~Nm}^{-2}$ if it occupies $1 \mathrm{~dm}^3$ of volume at normal temperature and pressure?

44States Of Matter

At \(0{ }^{\circ} \mathrm{C}\) a gas occupies 22.4 liters. What is the temperature in Kelvin to reach the volume of 224 liters?

45States Of Matter

Which of the following is the SI unit of coefficient of viscosity?

46States Of Matter

Find the temperature in degree Celsius if volume and pressure of 2 mole ideal gas is \(20 \mathrm{~dm}^3\) and \(4.926 \mathrm{~atmospheres}\) respectively. ($$\mathrm{R}=0.0821 \mathrm{~dm}^3 \mathrm{~atm} \mathrm{~K}^{-1} \mathrm{~mol}^{-...

47States Of Matter

A neon-dioxygen mixture contains \(64 \mathrm{~g} \mathrm{~O}_2\) and \(160 \mathrm{~g} \mathrm{~Ne}\). If the total pressure is \(25 \mathrm{~bar}\), calculate the partial pressure of dioxygen.

48States Of Matter

The volume of a gas is \(4 \mathrm{~dm}^3\) at \(0^{\circ} \mathrm{C}\). Calculate new volume at constant pressure when the temperature is increased by \(10^{\circ} \mathrm{C}\).

49States Of Matter

A closed container contains mixture of non-reacting gases \(A\) and \(B\). Partial pressure of \(A\) and \(B\) are 4.5 bar and 5.5 bar respectively. Find mole fractions of \(A\) and \(B\) respectively?

50States Of Matter

A hot air balloon has volume of \(2000 \mathrm{~dm}^3\) at \(99^{\circ} \mathrm{C}\). What is the new volume if air in balloon cools to \(80^{\circ} \mathrm{C}\) ?