Q14 / 180 · KCET 2011 · Chemistry

$25 \mathrm{~g}$ of each of the following gasses are taken at $27^{\circ} \mathrm{C}$ and $600 \mathrm{~mm}$ pressure. Which of these will have the least volume?

  • A
    $\mathrm{HCl}$
  • B
    $\mathrm{HBr}$
  • Correct answer
    C
    $\mathrm{HI}$
  • D
    HF

Solution

HI has the least number of moles. Therefore, volume occupied is least.

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

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