A vessel contains two non-reactive gases neon (monatomic) and oxygen (diatomic). The ratio of their partial pressures is 3 : 2. the ratio of number of molecules is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
As partial pressure of a gas in a mixture is the pressure it would exert for the same volume and temperature, if it alone occupied the vessel, therefore, for common V and T, P 1 and P 2 are partial pressures
and 
Here, 1 and 2 refer to neon gas and oxygen gas respectively
Now, 
If N 1 and N 2 are number of molecules of two gases, then
where 
and 
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