Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 161:

• JAMB 1998

An example of aromatic compound is?

A. C₆H₁₃OH
B. C₆H₁₃CI
C. C₆H₅OH
D. C₆H₁₄

Question 162:

• JAMB 1998

Terylene is synthesized from ethane- 1, 2-diol and benzene - 1, 4-dicarboxylic acid by?

A. Addition reaction
B. Condensation reaction
C. Elimination reaction
D. Substitution reaction

Question 163:

• JAMB 1998

Which of the following is true concerning the properties of benzene and hexane?

A. Both undergo substitution reaction
B. Both undergo addition reaction
C. Both are solids
D. Both can decolourized bromine water

Question 164:

• JAMB 1999

Which of the following gases will diffuse fastest when passed through a porous plug?
[H = 1, C = 12, N = 14, O = 16]

A. Propane
B. Oxygen
C. Methane
D. Ammonia

Question 165:

• JAMB 1999

The hydrocarbon that burns in air with a sooty flames is

A. C₂H₆
B. C₃H₈
C. C₄H₁₀
D. C₆H₆