Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 136:

• JAMB 1993

The IUPAC nomenclature for the compound above is

A. Dimethlhexane
B. 3,5 dimethylhexane
C. 1.1 dmethyl, 3 methylpentane
D. 2.4 dimethylhexane

Question 137:

• JAMB 1994

Which of the following compounds is NOT an isomers of 2,2 dimethylbutane?

A. 2-methylbutane
B. 3-methylpentane
C. 2,3-dimethylbutane
D. 2-methylpentane

Question 138:

• JAMB 1994

When sodium is added to ethanol, the products are?

A. Sodium hydroxide and water
B. Sodium hydroxide and hydrogen
C. Sodium ethoxide and water
D. Sodium ethoxide and hydrogen

Question 139:

• JAMB 1994

The general formula of alkanoates is?

A. RCHO
B. R₂CO
C. RCOOH
D. RCOOR

Question 140:

• JAMB 1994

Which of the following reagents will confirm the presence of unsaturation in a compound?

A. Fehling's solution
B. Bromine water
C. Tollen's reagent
D. Benedict's solution