Chemistry

UI Post-UTME Chemistry Past Questions

Chemistry is one of the core science subjects in the University of Ibadan Post-UTME exam, required for Medicine (MBBS), Pharmacy, Engineering, and most science courses. The UI Post-UTME Chemistry section covers organic chemistry, inorganic chemistry, and physical chemistry. Questions test your understanding of chemical reactions, equations, the periodic table, bonding, and calculations.

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Topics Covered in UI Post-UTME Chemistry

Organic chemistry — hydrocarbons, functional groups, IUPAC naming
Inorganic chemistry — periodic table, transition metals, extraction
Physical chemistry — gas laws, equilibrium, thermochemistry
Chemical bonding — ionic, covalent, metallic, hydrogen bonding
Electrochemistry and electrolysis
Acids, bases, and salts
Stoichiometry and mole calculations
Environmental chemistry and industrial processes

Sample Chemistry Questions

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Q1.When petrol dropped on a plastic material is burnt, the gases produced are: I. CO II. CO₂ III. HCl IV. SO₃

A. I & III

B. II & III

C. II, III & IV

D. I, III & IV

Q2.Which of these orbitals has the highest electropositivity?

A. s orbital

B. sp orbital

C. sp² orbital

D. sp³ orbital

Q3.How many resonance structures does SO₃ have?

A. 1

B. 2

C. 3

D. 4

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How to Prepare for UI Post-UTME Chemistry

Master IUPAC naming conventions — organic chemistry naming questions appear frequently.

Memorize the first 30 elements and their properties. Periodic table trends are heavily tested.

Practice balancing chemical equations until it becomes second nature.

Understand gas law calculations (Boyle's, Charles', ideal gas) — these are common in UI Post-UTME.

Focus on electrolysis and electrochemistry — these topics consistently appear in past questions.

Practice Other UI Post-UTME Subjects

English Past Questions Mathematics Past Questions Physics Past Questions Biology Past Questions Full Exam (All Subjects)

Chemistry FAQ

Is Chemistry compulsory for UI Post-UTME?

Chemistry is required for most science-based courses at UI including Medicine, Pharmacy, Engineering, and all science programs. Arts and social science candidates typically do not take Chemistry.

What topics are most tested in UI Post-UTME Chemistry?

Organic chemistry (naming, reactions), periodic table trends, gas laws, electrochemistry, and stoichiometry are the most frequently tested topics based on past UI Post-UTME questions.

How many Chemistry questions are in the UI Post-UTME?

Chemistry typically has 25 questions in the 100-question UI Post-UTME exam, allocated equally across the four subjects.

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