p_A and p_B are the vapour pressure of pure liquid components A and B , respectively, of an ideal binary solution. If x_A represents the mole fraction - Chemistry MCQ Chemistry | ExamTest.live

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and are the vapour pressure of pure liquid components and , respectively, of an ideal binary solution. If represents the mole fraction of component , the total pressure of the solution will be:

A $p_{B} + x_{A} (p_{A} - p_{B})$
B $p_{A} + x_{A} (p_{B} - p_{A})$
C $p_{A} + x_{A} (p_{A} - p_{B})$
D $p_{B} + x_{A} (p_{B} - p_{A})$

Solution & Step-by-step Explanation

According to Raoult's Law for an ideal binary solution:We know that the sum of mole fractions is unity:Substituting in the total pressure equation:

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and are the vapour pressure of pure liquid components and , respectively, of an ideal binary solution. If represents the mole fraction of component , the total pressure of the solution will be:

p_{B} + x_{A} (p_{A} - p_{B})

p_{A} + x_{A} (p_{B} - p_{A})

p_{A} + x_{A} (p_{A} - p_{B})

p_{B} + x_{A} (p_{B} - p_{A})

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Physical Chemistry Solutions Raoult's Law

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$p_{A}$ and $p_{B}$ are the vapour pressure of pure liquid components $A$ and $B$ , respectively, of an ideal binary solution. If $x_{A}$ represents the mole fraction of component $A$ , the total pressure of the solution will be:

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pA​ and pB​ are the vapour pressure of pure liquid components A and B, respectively, of an ideal binary solution. If xA​ represents the mole fraction of component A, the total pressure of the solution will be:

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Discussion

$p_{A}$ and $p_{B}$ are the vapour pressure of pure liquid components $A$ and $B$ , respectively, of an ideal binary solution. If $x_{A}$ represents the mole fraction of component $A$ , the total pressure of the solution will be: