Jamb Chemistry 1988 Past Questions and Answers

Question 41:

• JAMB 1988

Which of the gas laws does the above graph illustrate?

A. Boyle
B. Charles
C. Graham
D. Gay-Lussac

Question 42:

• JAMB 1988

Use the graph above to answer this question. The mass of a substance, M, liberated at an electrode during electrolysis is proportional to the quantity of electricity, Q passing through the electrolyte. This is represented graphically by.

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

Question 43:

• JAMB 1988

The diagram above shows the reaction path of an exothermic reaction. The heat of reaction is represented by

A. L
B. Ll
C. Lll
D. LV

Question 44:

• JAMB 1988

The IUPAC name for

A. 2-methylbutanoic acid
B. 2-methyl-1- hydroxyketone
C. 2-methyl-1-hydroxy aldehyde
D. 2-methylpentanoic acid

Question 45:

• JAMB 1988

Carbon (ll) oxide may be collected as shown above because it

A. Is heavier than air
B. Is less dense than air
C. Is insoluble in water
D. Burns in oxygen to form carbon (IV) oxide