Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 121:

• JAMB 1992

Arrange HCI, CH₃COOH, C₆H₅CH₃ in order of increasing conductivity.

A. HCI, CH₃COOH, C₆H₅CH₃
B. C₆H₅CH₃, HCI, CH₃COOH
C. C₆H₅CH₃, CH₃COOH, HCI
D. CH₃COOH, C₆H₅CH₃, HCI

Question 122:

• JAMB 1992

CaO_s + H₂O_(l) → Ca(OH)_2(s) ΔH -65 kj. The process represented by the above equation is known as?

A. Dissolution
B. Slaking
C. Liming
D. Mortaring

Question 123:

• JAMB 1992

The carbon atoms in ethene are?

A. Sp³ hybridized
B. Sp hybridized
C. Sp² hybridized
D. Not hybridized

Question 124:

• JAMB 1992

Which of the following compounds reacts with sodium metal as well as silver and copper salts ?

A. CH₃C Ξ C—CH₃
B. CH₃CH₂CH_2[sub]3>[/sub]
C. CH₃C Ξ CH
D. CH₃CH = CH CH₃

Question 125:

• JAMB 1992

The functional group present in an organic compound which gives bubbles on treatment with a saturated solution of NaHCO₃ is?

A. Hydroxyl group
B. Carboalkoxyl group
C. Carbonyl group
D. Carboxyl group