The given figures show arrangement of particles of a substance X at different temperatures. Which of the following statements is correct ?
A
The boiling point of the substance X is between `75^(@)C` and `125 ^(@)C`.
B
The melting point of the substance X is below `75^(@)C`.
C
Particles of substance X at `125^(@)C` have more kinetic energy than at `75^(@)C`.
D
All of these
Text Solution
Verified by Experts
The correct Answer is:
D
Substance X exists as a liquid at `75^(@)C` and as a gas at `125^(@)C`. Hence, the boiling point of the substance X is between `75^(@)C and 125^(@)C`, melting point of substance X is below `75^(@)C` and particles of substance X have more kinetic energy in gaseous state (at `125^(@)C`) than in liquid state (at `75^(@)C`).
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