Kinetic theory of matter and Gas Laws - Jamb Chemistry Past Questions and Answers

Question 11:

• JAMB 1981

Which of the following statements is NOT true of electrovalent compounds?

A. They are solids
B. They do not vaporized easily
C. They usually dissolve in water
D. The elements forming the compounds normally have their valency electrons in a shared state
E. They conduct electricity

Question 12:

• JAMB 1981

Which of the following can have an isomer?

A. C₂H₄
B. C₄H₁₀
C. C₃H₈
D. C₂H₆
E. C₆H₆

Question 13:

• JAMB 1981

28.8 cm³ of nitrogen at 15°C is cooled to O°C at constant pressure, the new volume of nitrogen is?

A. 17.4 cm³
B. 14.7 cm³
C. 27.3 cm³
D. 31.7 cm³

Question 14:

• JAMB 1981

Which of the following is NOT a true statement of the kinetic Theory of Gases?

A. The molecules move at random
B. The size of molecules is negligble as compared with the volume of gas
C. The molecular collisions are perfectly elastic
D. Every molecule has the same kinetic energy at a particular temperature
E. The average kinetic energy is proportional to the absolute temperature of the gas

Question 15:

• JAMB 1982

If the temperature of a gas is increased?

A. The kinetic energy of the emolecules will decrease
B. The pressure will decrease if the volume is constant
C. The gas will occupy a greater volume if the pressure is constant
D. The mass of the gas will decrease
E. The pressure and volume will increase