Which can be a unit of vapour pressure?
Answer and explanation
Correct answer: Pascal
Vapour pressure is a pressure, because it is the force per unit area exerted by vapour particles. The SI unit of pressure is the pascal (Pa); other pressure units include atmosphere, bar and millimetre of mercury. Gram measures mass, litre measures volume, and mole measures amount of substance, so they cannot be pressure units.
Frequently asked questions
What is the correct answer to this question?
Pascal
Why is this the correct answer?
Vapour pressure is a pressure, because it is the force per unit area exerted by vapour particles. The SI unit of pressure is the pascal (Pa); other pressure units include atmosphere, bar and millimetre of mercury. Gram measures mass, litre measures volume, and mole measures amount of substance, so they cannot be pressure units.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Equilibrium. Topic: Equilibrium in physical and chemical processes.
