Waec Chemistry 2014 Past Questions and Answers

Question 36:

• WAEC 2014

The IUPAC name of the following organic compound is HOOC - COOH

A. Ethan - 1, 2 -dioc acid
B. Ethanoic acid
C. Oxalic acid
D. Propan - 1,2-dioic acid

Question 37:

• WAEC 2014

The enzyme that catalyses the conversion of glucose te ethanol and carbon (IV) oxide is

A. Diastase
B. Maltase
C. Ptyalin
D. Zymase

Question 38:

• WAEC 2014

A colourless hydrocarbon with a sweet smell undergoes substitution reaction. The hydrocarbon is likely to be

A. Alkanol
B. Benzene
C. Ester
D. Methane

Question 39:

• WAEC 2014

The liquid hydrocarbon likely to be found in the fraction of crude oil used for domestic cooking is

A. C₃H₈
B. C ₅H ₁₂
C. C₁₃H₂₈
D. C₂₀H₄₂

Question 40:

• WAEC 2014

Consider the reaction represented by the following equation: C₂H_4(g)
+ 30_2(g) → 2CO_2(g) + 2H₂O_(g)How many moles of ethene would be burnt to produce 0.1 mole of water?

A. 0.05 mole
B. 0.10 mole
C. 0.20 mole
D. 2.00 moles