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Question: Answered & Verified by Expert
$25 \mathrm{~g}$ 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?
ChemistryStates of MatterKCETKCET 2011
Options:
  • A $\mathrm{HCl}$
  • B $\mathrm{HBr}$
  • C $\mathrm{HI}$
  • D HF
Solution:
2722 Upvotes Verified Answer
The correct answer is: $\mathrm{HI}$
HI has the least number of moles. Therefore, volume occupied is least.

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