Consider a solution of dissolved in water in a closed container. Which one of the following plots correctly represents variation of log(partial pressure of in vapour phase above water) [y-axis] with log(mole fraction of in water) [x-axis] at ?

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Solution

Q.
Consider a solution of ${CO}_{2} (g)$ dissolved in water in a closed container.

Which one of the following plots correctly represents variation of log(partial pressure of ${CO}_{2}$ in vapour phase above water) [y-axis] with log(mole fraction of ${CO}_{2}$ in water) [x-axis] at $25 ° C$ [2026]

1

2

3

4

Ans.
(4)

$From Henry's law:$

$P (g) = K_{H} . X (g)$

$\log P (g) = \log K_{H} + \log X (g)$

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