Question:
Identify the correct statements from the following.
[I.] Glass is an extremely viscous liquid.
[II.] Increase in temperature decreases the surface tension of liquids.
[III.] Compressibility factor for an ideal gas is zero.
Identify the correct statements from the following.
[I.] Glass is an extremely viscous liquid.
[II.] Increase in temperature decreases the surface tension of liquids.
[III.] Compressibility factor for an ideal gas is zero.
[I.] Glass is an extremely viscous liquid.
[II.] Increase in temperature decreases the surface tension of liquids.
[III.] Compressibility factor for an ideal gas is zero.
Show Hint
Remember: For ideal gases, \(Z = 1\); a value of 0 for compressibility factor is incorrect. Also, surface tension generally drops as temperature rises.
Updated On: Jun 6, 2025
- I, II, III
- I, II only
- I, III only
- II, III only
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The Correct Option is B
Solution and Explanation
Step 1: Analyze each statement
Statement I: Glass is considered an extremely viscous liquid rather than a true solid.
Statement II: Surface tension decreases with an increase in temperature due to weakening of cohesive forces.
Statement III: For an ideal gas, compressibility factor \(Z = 1\), not zero.
Step 2: Conclusion
Only statements I and II are correct.
Only statements I and II are correct.
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