Q6.A closed vessel contains equal number of molecules of N2 and 02 at

1.	Q6.A closed vessel contains equal number of molecules of N2 and 02 at a total pressure of 650 mm. If N2 iscompletely removed the pressure wilA) Drop to 650/3C) Remain unchangedB) Drop to 650/2D) Become 650 x 2holo ie 2 minutes It takes 5.65 minutes
Answer» option b)Equal no. of molecules means that the no. of moles of both the compounds are equal. Hence the mole fraction of each of the component of the mixture is 1/2. Partial pressure = 1/2 Total pressure. Now since N2 is removed the total pressure would be equal to the partial pressure exerted by the O2 gas and vice versa. Therefore, the pressure after the N2 of any gas would be equal to P/2 mm of Hg.

Q6.A closed vessel contains equal number of molecules of N2 and 02 at a total pressure of 650 mm. If N2 iscompletely removed the pressure wilA) Drop to 650/3C) Remain unchangedB) Drop to 650/2D) Become 650 x 2holo ie 2 minutes It takes 5.65 minutes

Answer»

option b)Equal no. of molecules means that the no. of moles of both the compounds are equal.

Hence the mole fraction of each of the component of the mixture is 1/2.

Partial pressure = 1/2 Total pressure.

Now since N2 is removed the total pressure would be equal to the partial pressure exerted by the O2 gas and vice versa.

Therefore, the pressure after the N2 of any gas would be equal to P/2 mm of Hg.