JAMB Chemistry 2025 Objective — Question 1
Question 1 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about the kinetic molecular theory is incorrect?
- A. The average kinetic energy of gas molecules is proportional to the absolute temperature
- B. Gas molecules occupy negligible volume compared to the container
- C. All collisions between gas molecules are perfectly elastic
- D. At constant temperature, the pressure of a gas is directly proportional to the square of its volumeCorrect
Explanation
At constant temperature, pressure is INVERSELY proportional to volume (Boyle's Law), not directly proportional to its square. This statement is incorrect.
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