Jamb Chemistry Past Questions and Answers

Question 396:

• JAMB 1984

The diagram above (Fig.3) shows the energy profile for the reaction A + B + = C + D From this diagram, it is clear that the reaction is

A. Spontaneous
B. Isothermal
C. Adiabatic
D. Exothermic
E. Endothermic

Question 397:

• JAMB 1984

The name of the compound above is

A. Acetic acid
B. Propanal
C. Propanol
D. Ethanoic acid
E. Propanoic acid

Question 398:

• JAMB 1984

USE THE DIAGRAM ABOVE TO ANSWER THIS QUESTION.
Which of the following represents a carboxylic acid?

A. A
B. B
C. C
D. D
E. E

Question 399:

• JAMB 1984

Use the diagram above to answer this question
Which of the following structural formula is NOT isomeric with the others?

A. A
B. B
C. C
D. D
E. E

Question 400:

• JAMB 1985

X + Y = Z is an equilibrium reaction. The addition of a catalyst?

A. Increase the amount of Z produced in a given time
B. Increases the rate of change in concentrations of X, Y and Z
C. Increases the rate of disapearance of X and Y
D. Increases the rate of the forward reaction
E. Decreases the amounts of X and Y left after the attainment of equilibrium