Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 326:

• JAMB 2015

A suitable reagent for distinguish between ethanoic and ethanol is

A. Bromine water
B. Fehling’s solution
C. Sodium hydrogen trioxocarbonate (iv)
D. Ammoniacal silver trioxonitrate(V)

Question 327:

• JAMB 2015

Which of the following types of alkanols undergo oxidation to produce alkanoic acids.
I. Primary alkanols
II. Secondary alkanols
III. Tertiary alkanols

A. I, II and III
B. I and II only
C. III only
D. I only

Question 328:

• JAMB 2015

The number of isomers formed by C₆H₁₄ is

A. 4
B. 5
C. 2
D. 3

Question 329:

• JAMB 2015

A compound contains 40.0% carbon, 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is 180, Find the molecular formula [H = 1, C = 12, O = 16)

A. CH₂O
B. C₃H₆O₃
C. C₆H₁₂O₆
D. C₆H₁₂O₃

Question 330:

• JAMB 2015

Detergents are manufacture with strength hydrocarbon chains is to make them

A. Soluble
B. Biodegradable
C. Cheaper
D. Foamy