Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 31:

• JAMB 1981

A polymerization reaction is one in which?

A. Small molecules form giant molecules
B. Atoms form molecules
C. Giant molecules form small molecules
D. Molecules form volatile compounds
E. A molecule rearranges itself

Question 32:

• JAMB 1981

If an organic compound decolorizes bromine water then the compound is?

A. Saturated
B. Supersaturated
C. Unsaturated
D. A solid
E. Protonated

Question 33:

• JAMB 1981

Fats and oils are?

A. Addition products of long chain fatty acids and alkali
B. Addition products of long-chain fattyy acids and glycerol
C. Condensation products of long-chain fatty acids and glycerol
D. Condensation products of formaldehyde and glycerol
E. Liquids at 20°C

Question 34:

• JAMB 1981

The general formula of an alkyl halide (which represent the halide) is?

A. C_nH_2n - ₂X
B. C_nH_2n + ₁X
C. C_nH_2n + ₂X
D. C_nH_2nX
E. C_nH_2n - 1

Question 35:

• JAMB 1981

The IUPAC name for

A. 1-methlpentane
B. 3-methylbutane
C. 2-methylbutane
D. 1-dimethylpropane
E. 2-methylpentane