Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 246:

• JAMB 2007

Certain useful waxes are composed mainly of

A. Amino acids
B. Glycerols
C. Alkanols
D. Alkanoates

Question 247:

• JAMB 2007

The IUPAC nomenclature of compound CH₃CH₂COOCH₂CH₃ is

A. Propyl ethanoate
B. Ethyl butanoate
C. Ethyl propanoate
D. Methyl butanoate

Question 248:

• JAMB 2008

The basicity of CH₃COOH is

A. 1
B. 2
C. 3
D. 4

Question 249:

• JAMB 2008

What is the IUPAC nomenclature of the compound NaCIO?

A. Sodium oxochlorate (I)
B. Sodium chloro (I) oxide
C. Sodium monooxochlorate (II)
D. Sodium chloro (I) monoxide

Question 250:

• JAMB 2008

When a solution of ammonium trioxocarbonate (IV) is added to a solution of an unknown salt, a white precipitate which is soluble in dilute hydrochloric acid but insoluble in ethanoic acid is formed. This indicates the presence of

A. Ca²⁺
B. Na⁺
C. Zn²⁺
D. K⁺