Q12 / 60 · KVPY 2011 (SA) · Chemistry

Two balloons A and B containing $0.2$ mole and $0.1$ mole of helium at room temperature and $2.0 \mathrm{~atm}$, respectively, are connected. When equilibrium is established, the final pressure of He in the system is

  • A
    $1.0$ atm
  • B
    $1.5$ atm
  • C
    $0.5$ atm
  • Correct answer
    D
    $2.0 \mathrm{~atm}$

Solution

Since pressure of the gases are same in both the containers. Therefore the final pressure will not change.

Hence, the correct answer is option: 'D'.

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