Question:
Which of the following graph is correct between log P$_{CO_2}$ vs log X$_{CO_2}$?
[given P$_{CO_2}$ = Partial Pressure of CO$_2$, X$_{CO_2}$ = Mole fraction of CO$_2$ in solution]
Which of the following graph is correct between log P$_{CO_2}$ vs log X$_{CO_2}$?
[given P$_{CO_2}$ = Partial Pressure of CO$_2$, X$_{CO_2}$ = Mole fraction of CO$_2$ in solution]
Show Hint
The equation log P = log K + log X represents a linear relationship, where log P$_{CO_2}$ vs log X$_{CO_2}$ should yield a straight line.
Updated On: Jan 22, 2026
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the relationship.
Given that P$_{CO_2}$ (Partial pressure of CO$_2$) is related to X$_{CO_2}$ (mole fraction of CO$_2$) by the equation: \[ P_{CO_2} = K \cdot X_{CO_2} \] Taking the logarithm of both sides: \[ \log P_{CO_2} = \log K + \log X_{CO_2} \] This equation represents a linear relationship between log P$_{CO_2}$ and log X$_{CO_2}$, with a slope of 1. Thus, the correct graph should show a straight line with a positive slope. The correct option is (4).
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