POST UTME FUTA 2018 Chemistry | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A diagram of a redox reaction is shown below. The reaction involves the oxidation of iron (Fe) to form iron(III) ions. What is the reducing agent in the reaction?
A. Fe
B. O2
C. H2O
D. OH-
Question 2
A solution of copper(II) sulfate (CuSO4) is electrolyzed u\sing a copper electrode. What is the product formed at the anode?
A. Cu
B. Cu2+
C. SO42-
D. H2O
Question 3
The reaction of sulfuric acid with sodium hydroxide is represented by the equation: H2SO4 + 2NaOH → Na2SO4 + 2H2O. If 25.0 cm3 of 0.500 M H2SO4 is added to 50.0 cm3 of 0.750 M NaOH, what is the limiting reac\tant?
A. H2SO4
B. NaOH
C. Neither
D. Both
Question 4
A gas at a pressure of 2 atm and a temperature of 300 K is allowed to expand to a volume of 10 L. What is the new pressure of the gas?
A. 0.2 atm
B. 0.5 atm
C. 1.0 atm
D. 2.0 atm
Question 5
A metal 'M' reacts with chlorine gas to form a white solid. The reaction is highly exothermic and releases a large amount of heat. The metal 'M' is most likely to be
A. Ca
B. Mg
C. Al
D. Zn
Question 6
A 2.50 g sample of a hydrocarbon is burned in a bomb calorimeter, and the heat of combustion is found to be - 35.5 kJ/g. If the molar mass of the hydrocarbon is 84.0 g/mol, what is the s\tandard enthalpy of combustion per mole?
A. - 297 kJ/mol
B. - 297.5 kJ/mol
C. - 298 kJ/mol
D. - 298.5 kJ/mol
Question 7
A metal M has a density of 7.9 g/cm3 and a molar mass of 120 g/mol. What is the volume of 2.5 mol of the metal?
A. 0.25 cm3
B. 0.50 cm3
C. 0.75 cm3
D. 1.00 cm3
Question 8
A diagram of a titration setup is shown below. The burette contains a solution of sulfuric acid (H2SO4). The flask contains a solution of sodium hydroxide (NaOH). The initial volume of the NaOH solution is 25 mL. After the titration, the volume of the NaOH solution is 50 mL. What is the concentration of the H2SO4 solution?
A. 0.5 M
B. 1.0 M
C. 2.0 M
D. 4.0 M
Question 9
A solution of sodium hydroxide (NaOH) is mixed with a solution of hydrochloric acid (HCl). The resulting solution has a pH of 7. What is the concentration of the NaOH solution?
A. 0.1 M
B. 0.5 M
C. 1.0 M
D. 2.0 M
Question 10
Identify the type of isomerism exhibited by the following pair of compounds: CH3CH2CH2CH2CH3 and (CH3)2CHCH2CH3.
A. Structural isomerism
B. Stereoisomerism
C. Constitutional isomerism
D. Geometrical isomerism
Question 11
A diagram of a titration setup is shown below. The burette contains a solution of sulfuric acid (H2SO4). The flask contains a solution of sodium hydroxide (NaOH). The initial volume of the NaOH solution is 25 mL. After the titration, the volume of the NaOH solution is 50 mL. What is the concentration of the H2SO4 solution?
A. 0.5 M
B. 1.0 M
C. 2.0 M
D. 4.0 M
Question 12
A polymer has a molecular weight of 50,000 g/mol and a degree of polymerization of 200. What is the molar mass of the repeating unit?
A. 250 g/mol
B. 250.5 g/mol
C. 250.1 g/mol
D. 249.9 g/mol
Question 13
A solution of 0.100 M HCl is titrated with 0.100 M NaOH. If 25.0 cm3 of HCl is added to 50.0 cm3 of NaOH, what is the pH of the resulting solution?
A. 1.0
B. 2.0
C. 3.0
D. 4.0
Question 14
Determine the s\tandard enthalpy of formation of CaCO3(s) from the following data: ΔHf(CaO(s)) = -635.09 kJ/mol, ΔHf(CO2(g)) = -393.51 kJ/mol, ΔHf(C(s)) = 0 kJ/mol.
A. -1206.60 kJ/mol
B. -1206.19 kJ/mol
C. -1206.79 kJ/mol
D. -1206.99 kJ/mol
Question 15
A sample of nitrogen gas occupies a volume of 2.5 L at a pressure of 1.5 atm. What is the pressure of the gas if the volume is reduced to 1.0 L?
A. 2.0 atm
B. 2.5 atm
C. 3.0 atm
D. 3.5 atm

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