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The correct option for the value of vapour pressure of a solution at \( 45^{\circ} \mathrm{C} \) with benzene to octane …

Q1

The correct option for the value of vapour pressure of a solution at \( 45^{\circ} \mathrm{C} \) with benzene to octane in molar ratio \( 3: 2 \) is

[At \( 45^{\circ} \mathrm{C} \) vapour pressure of benzene is \( 280 \mathrm{~mm} \mathrm{Hg} \) and that of octane is \( 420 \mathrm{~mm} \mathrm{Hg} \). Assume Ideal gas]

[NEET 2021]

a

\( 168 \mathrm{~mm} \) of \( \mathrm{Hg} \)

b

\( 336 \mathrm{~mm} \) of \( \mathrm{Hg} \)

c

\( 350 \mathrm{~mm} \) of \( \mathrm{Hg} \)

d

\( 160 \mathrm{~mm} \) of \( \mathrm{Hg} \)

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