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Subject - Chemistry:

Basics

MCQ - 58-2244

Question:

Which of the following exerts the highest pressure?

  1. 1 mol of N2 at 0 0 C in 11.2 dm3
  2. 1 mol of N2at 27 0 C in 22.4 dm3
  3. 1 mol of H2O at 27 0 C in 1 dm3
  4. 1 mol of N2at 27 0 C in 22.4 dm3

Correct Answer: A

Explanation:

using pV=nRT (idea gas euation),

39 -12768231
C.D: Both are liquids at the given condition. Also, for D, the saturated vapour pressure at its normal boiling point is 1.01 × 105 Pa i.e. 1 atm.

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