Q15 / 180 · COMEDK 2017 · Chemistry

In order to increase the volume of a gas by $10 \%$, the pressure of the gas should be

  • A
    increased by $10 \%$
  • B
    increased by $1 \%$
  • Correct answer
    C
    decreased by $10 \%$
  • D
    decreased by $1 \%$

Solution

According to ideal gas equation $\begin{array}{rr} & p V=n R T \\ \therefore \quad V & \propto \frac{1}{p} \end{array}$ $\therefore$ To increase the volume of gas by $10 \%$, the pressure of gas should be decrease by $10 \%$.

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

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