Question 611:

• JAMB 1989

The bond which joins two ethanoic acid molecules in the liquid state is

A. A covalent bond
B. An ionic bond
C. A dative covalent bond
D. A hydrogen bond

Question 612:

• JAMB 1989

The alkaline hydrolysis of fats and oils produces soap and

A. Propane 1, 1, 3 - triol
B. Propane - 1,2,3 - triol
C. Propane - 1,3,3 - triol
D. Propane - 1, 2, 2 - triol

Question 613:

• JAMB 1989

The gas responsible for most of the fatal explosions in coal mines is

A. Butane
B. Ethene
C. Ethane
D. Methane

Question 614:

• JAMB 1989

Three liquids X, Y and Z containing only hydrogen and carbon were burnt on a spoon. X and Y burnt with sooty flames while Z did not. Y is able to discharge the colour of bromine water whereas X and Z cannot. Which of the liquids would be aromatic in nature?

A. X and Z
B. Y
C. X
D. Z

Question 615:

• JAMB 1989

It can be deduced from the vapour pressure curves above that

A. Liqiud 1 has the highest boiling point
B. Liquid ll has the highest boiling point
C. Liquid lll has the highest boiling point
D. Liquid lll has the lowest boiling point