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MCQEasyJEE Main 2026 · 21 January, Shift 1Internal Energy & Enthalpy

Chemistry Question from JEE Main 2026 · 21 January, Shift 1

Which of the following graphs between pressure pp versus volume VV represents the maximum work done?

  • A
    Pressure-volume graph with pressure marked up to 2.0 bar and volume up to 22.4 L, showing a rectangular path with vertical line at 22.4 L and arrows indicating cyclic motion.
  • B
    Pressure-volume graph from 22.4 L to 44.8 L with pressure from 2.0 bar to 1.0 bar, showing a curved expansion path and a horizontal return path forming a cycle.
  • C
    Pressure-volume graph between 22.4 L and 44.8 L and pressures 2.0 bar to 1.0 bar, showing two curved paths joining the same endpoints and enclosing a lens-shaped cycle.
  • D
    Pressure-volume graph showing expansion from 22.4 L, 2.0 bar to 44.8 L, 1.0 bar along a decreasing curve, with area under the curve extending to the volume axis.

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