Organic Compounds - Jamb Chemistry Past Questions and Answers

Question 91:

• JAMB 1988

Detergents have the general formula?

A. R(CH₂)_nOH
B. RSO₃^-Na⁺
C. RSO^-₂Na⁺
D. RSO₂H

Question 92:

• JAMB 1988

What process would coal undergo to give coal gas, coal tar, ammoniacal liquor and coke?

A. Steam distillation
B. Destructive distillation
C. Liquefaction
D. Hydrolysis

Question 93:

• JAMB 1988

One mole of propane is mixed with five moles of oxygen. The mixture is ignited and the propane burns completely. What is the volume of the products at s.t.p?
(G.M.V = 22.4 dm³ mol^-1)

A. 112.0 dm³
B. 67.2 dm³
C. 56.0 dm³
D. 44.8 dm³

Question 94:

• JAMB 1988

The IUPAC name for

A. 2-methylbutanoic acid
B. 2-methyl-1- hydroxyketone
C. 2-methyl-1-hydroxy aldehyde
D. 2-methylpentanoic acid

Question 95:

• JAMB 1988

Carbon (ll) oxide may be collected as shown above because it

A. Is heavier than air
B. Is less dense than air
C. Is insoluble in water
D. Burns in oxygen to form carbon (IV) oxide