Question

For an ideal solution of $A$ and $B$ with $P_A^0>P_B^0,$ which of the following is true?

• A. ${\left({\left(\chi \right)}_A\right)}_{\text{liquid }}={\left({\left(\chi \right)}_A\right)}_{\text{vapour }}$
• B. ${\left({\left(\chi \right)}_A\right)}_{\text{liquid }}>{\left({\left(\chi \right)}_A\right)}_{\text{vapour }}$
• C. ${\left({\left(\chi \right)}_A\right)}_{\text{liquid }}<{\left({\left(\chi \right)}_A\right)}_{\text{vapour }}$
• D. ${\left({\left(\chi \right)}_A\right)}_{\text{liquid }}$ and ${\left({\left(\chi \right)}_A\right)}_{\text{vapour }}$

Answer 1

Answer: (C)

aa