Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 131:

• JAMB 1993

The carbon atoms on ethane are?

A. Sp² hybridized
B. Sp³ hybridized
C. Sp²d hybridized
D. Sp hybridized

Question 132:

• JAMB 1993

Catalytic hydrogenation of benzene produces?

A. An aromatic hydrocarbon
B. Margarine
C. Cyclohexane
D. D.D.T

Question 133:

• JAMB 1993

Which of the following represents saponification?

A. Reaction of carboxylic acids with sodium hydroxide
B. Reaction of alkanoates with acid
C. Reaction of alkanoates with alcohols
D. Reaction of alkanoates with sodium hydroxide

Question 134:

• JAMB 1993

The confirmatory test for alkanoic acids in organic qualitative analysis is the?

A. Turning of wet blue litmus paper red
B. Reaction with alkanols to form esters
C. Reaction with sodium hydroxide to form salt and water
D. Reaction with aqueous Na₂COsp₃ to liberate a gas which turns lime water milky

Question 135:

• JAMB 1993

The two functional groups in the above compound are

A. Alcohol and amine
B. Acid and amine
C. Aldehyde and acid
D. Ketone and amine