Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 146:

• JAMB 1995

C_xH_Y + 4O₂ → 3CO₂ + 2H₂O. The hydrocarbon, C_xH_Y, in the reaction above is?

A. Propane
B. Propene
C. Propyne
D. Propanone

Question 147:

• JAMB 1995

The relatively high boiling points of alkanols are due to?

A. Ionic bonding
B. Aromatic character
C. Covalent bonding
D. Hydrogen bonding

Question 148:

• JAMB 1997

The reaction of an alkanol with an alkanoic acid in the presence of concentrated H₂SO₄ will produce an?

A. Alkanal
B. Alkanoate
C. Alkanone
D. Alkyne

Question 149:

• JAMB 1997

The final product of the reaction of ethyne with hydrogen iodine is?

A. CH₃—CHI₂
B. CH₂l—CH₂I
C. CH₃—CI₃
D. CH₂ = CHI

Question 150:

• JAMB 1997

25 cm³ of 0.02 M KOH neutralized 0.03 g of a monobasic organic acid having the general formula C_nH_{2n + 1} COOH. The molecular formula of the acid is?
(C = 12, H = 1, O = 16)

A. HCOOH
B. C₂H₅COOH
C. CH₃COOH
D. C₃H₇COOH