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MCQEasyJEE Main 2026 · 24 January, Shift 2Raoult's Law & Vapour Pressure

Chemistry Question from JEE Main 2026 · 24 January, Shift 2

At 298 K298 \, \text{K}, the mole percentage of N2(g)N_2\text{(g)} in air is 80%80\%. Water is in equilibrium with air at a pressure of 10 atm10 \, \text{atm}. What is the mole fraction of N2(g)N_2\text{(g)} in water at 298 K298 \, \text{K}? (KHK_H for N2N_2 = 6.5×107 mm Hg6.5 \times 10^7 \, \text{mm Hg})

  • A

    9.35×10−59.35 \times 10^{-5}

  • B

    1.17×10−41.17 \times 10^{-4}

  • C

    9.35×1059.35 \times 10^{5}

  • D

    1.23×10−71.23 \times 10^{-7}

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