Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 26:

• JAMB 1980

Cellulose and starches can be classified as one of the following?

A. Sugars
B. Sucrose
C. Hydrocarbons
D. Carbohydrates
E. Isomers

Question 27:

• JAMB 1980

The IUPAC name for the compound is

A. 2,3-dimethylpent-2,3-ene
B. 2, 3- dimethylpent-2-ene
C. 3, 4-dimethylpent-3-ene
D. 3,4-dimethylpentene
E. 3,4-dimethlhept-2-ene

Question 28:

• JAMB 1980

Which of the following is the correct order in the above diagram increasing boiling point, of the isomeric \(C_{5}H_{12}\) compounds?

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

Question 29:

• JAMB 1980

Which of the following classes of organic compounds undergoes rapid oxidation with bromine water?

A. Alcohols
B. Alkenes
C. Carboxylic acids
D. Esters
E. Alkanes

Question 30:

• JAMB 1981

Methane is member of the homologous series called?

A. Alkenes
B. Alcohols
C. Esters
D. Alkanes
E. Alkynes