Dalton's Law of Partial Pressure

IMPORTANT

Dalton's Law of Partial Pressure: Overview

This Topic covers sub-topics such as Derivation of Dalton's Law and Dalton's Law of Partial Pressures of Gases

Important Questions on Dalton's Law of Partial Pressure

EASY
IMPORTANT

A gaseous mixture was prepared by taking equal mole of   COand N 2 . If the total pressure of the mixture was found 1 atmosphere, the partial pressure of the nitrogen   ( N 2 ) in the mixture is:

EASY
IMPORTANT

If 500ml of gas A at 400 torrs and 666.6 ml of B at 600 torrs are placed in a 3 liter flask, the pressure of the system will be

EASY
IMPORTANT

If 500ml of gas A at 400 torr and 666.6 ml of B at 600 torr are placed in a 3 litre flask, the pressure of the system will be

MEDIUM
IMPORTANT

A gaseous mixture contain hydrogen and nitrogen. The mole fraction of H2 in the gaseous mixture is 0.6. If the pressure of the gaseous mixture is 2.8 atm. Calculate the partial pressures of H2 and N2 in the mixture.

HARD
IMPORTANT

400ml of He  gas at 4 atm is mixed with 600 ml of Ne Gas at 3 atm, in vessel of 5.0L  capacity. Calculate the partial pressure and total pressure of gaseous mixture.

MEDIUM
IMPORTANT

Which one is not correct mathematical equation for Dalton's Law of partial pressure? Here P= total pressure of gaseous mixture

EASY
IMPORTANT

One litre of water is kept in a closed two litre vessel at temperature T with no air in the space above the liquid (System 1). Another identical system is prepared but there is air above the liquid (System 2). Assuming water vapour as well as air to behave as ideal gases and water to be in equilibrium with the vapour above the liquid, the correct statement(s) is/are

HARD
IMPORTANT

Explain Dalton's law of partial pressure of gases.

MEDIUM
IMPORTANT

Two flasks of capacity 1 L and 2 L contain gases, A and B respectively at same temperature. If density of A is 2.5 g/L and that of B is 5 g/L and the molar mass of A is twice of that of B, then the ratio of pressure exerted by gases A:B is

MEDIUM
IMPORTANT

A mixture of N2 and CO2 at one atm pressure contains 56% by weight of N2. Partial pressure of N2 in the mixture will be

MEDIUM
IMPORTANT

Which mixture of gases at room temperature does not obey Dalton's law of partial pressure?

HARD
IMPORTANT

2 g of gas A introduced in a evacuated flask at 25°C. The pressure of the gas is 1 atm. Now 3 g of another gas B is introduced in the same flask so total pressure becomes 1.5 atm. The ratio of molecular mass of A and B is

EASY
IMPORTANT

The partial pressure of a dry gas is

MEDIUM
IMPORTANT

pi=Xi×PTotal 

The above expression is related to 

MEDIUM
IMPORTANT

The total pressure exerted by the mixture of non-reactive gases is equal to the sum of the _____ pressures of individual gases.

HARD
IMPORTANT

Define and derive the Dalton’s law of partial pressures.

MEDIUM
IMPORTANT

A gaseous mixture was prepared by taking equal number of moles of Helium and Neon. If the total pressure of the mixture was found to be 10 atm, the partial pressure of Helium in the mixture is

MEDIUM
IMPORTANT

A gaseous mixture contains 2 moles of A, 3 moles of B, 5moles of C and 10 moles of D contained in a vessel. If the gases are ideal and the partial pressure of C is 1.5 atm, then the partial pressure of B will be        

MEDIUM
IMPORTANT

Oxygen and cyclopropane at partial pressure of 570 torr and 170 torr respectively are mixed in a gas cylinder. The ratio of the number of moles of cyclopropane to the number of moles of oxygen is:

MEDIUM
IMPORTANT

A gaseous mixture contains three qases A, B and C with a total number of moles of 1.0 and total pressure of 10 atm. The partial pressure of A and B are 3 atm and 1 atm respectively and if C has molecular weight of 2 g/mol. Then, the weight of C present in the mixture will be :