69. For an ideal binary liquid solution with PX > P
which relation is correct if X, is mole fraction of A in
liquid phase and Y. is mole fraction of A in vapour
phase?
(1) YA<YB
(2) xa>xb
(3) ya/yb>xa/xb
(4) ya/yb<xa/xb
Answers
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Answer:
Explanation:
P
A
′
=P
A
0
⋅X
A
=P
M
⋅Y
A
P
B
′
=P
B
0
⋅X
B
=P
M
⋅Y
B
∴
P
B
0
P
A
0
⋅
X
B
X
A
=
Y
B
Y
A
∵
P
B
0
P
A
0
>1∴
X
B
X
A
<
Y
B
Y
A
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