Chemistry, asked by DishaR, 1 year ago

what's the answer for this question?

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Answered by abhirajpathak9

pa = xa * Pao
where p is the partial vapor pressure of A
xa is the mole fraction of A in solution
Pao is the vapour pressure

Higher the value of Pao lesser will be the value of xa. i.e mole fraction of A in solution will be less. If mole fraction of A in solution is less it means more amount of A is vaporised which will lead to increase in the mole fraction in vapour phase.

Thus, option C looks appropriate.

abhirajpathak9: is it correct option?

DishaR: yes

DishaR: but what does l and v in the option signify??

abhirajpathak9: l signifies the mole fraction in the solution and v signifies mole fraction in vapour phase

DishaR: thanks

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