Chemistry - Ideal Gas Question with Solution | TestHub
ChemistryIdeal GasVapour PressureEasy2 minQB
ChemistryEasysingle choice
In two different vessels X and Y, ethanol (ℓ) is kept at the same temperature, the vacant space left over the surface of the liquid is 2V and 5V respectively. What is the mass ratio (W)X / (W)Y of ethanol vapour in the two vessels?
Options:
Answer:
B
Solution:
At the same temperature the vapour pressure of ethanol is the same in both vessels.
mass = / is proportional to at fixed and .
(W)X : (W)Y = 2V : 5V = 2 : 5.
Answer: (B).
Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Vapour Pressure
⏱ 2mℹ️ Source: QB
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