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The following graph represents variation of boiling point with composition of liquid and vapours of binary liquid mixture. The graph is plotted at constant pressure.

Which of the following statement(s) is incorrect? Here \( \mathrm{X} \) and \( \mathrm{Y} \) stands for the mole fraction in liquid and vapour phase, respectively.
(a) \( \mathrm{X}_{\text {benzene }}=0.5 \) and \( \mathrm{Y}_{\text {toluene }}=0.2 \)
(b) \( \mathrm{X}_{\text {toluene }}=0.3 \) and \( \mathrm{Y}_{\text {benzene }}=0.6 \)
(c) \( \mathrm{X}_{\text {benzene }}=0.3 \) and \( \mathrm{Y}_{\text {toluene }}=0.4 \)
(d) \( \mathrm{X}_{\text {benzene }}=0.7 \) and \( Y_{\text {toluene }}0.3 \)
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