JAMB Chemistry Challenge
Test your chemistry knowledge with these JAMB-style questions covering key concepts in general and physical chemistry.
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Quiz Questions & Answers
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Question 1: Which of the following electronic configurations represents an excited state of carbon?
1s² 2s² 2p²
1s² 2s¹ 2p³
1s² 2s² 2p⁴
1s² 2s⁴
Question 2: What is the hybridization of carbon in ethyne (acetylene)?
sp³
sp²
sp
d²sp³
Question 3: Which law states that the volume of a fixed mass of gas is inversely proportional to its pressure at constant temperature?
Charles' Law
Boyle's Law
Gay-Lussac's Law
Avogadro's Law
Question 4: What is the IUPAC name for CH₃-CH₂-CH(CH₃)-CH₃?
2-methylbutane
3-methylbutane
Isopentane
1-methylbutane
Question 5: In a galvanic cell, electrons flow from:
Cathode to anode
Anode to cathode
Solution to electrodes
Salt bridge to solution
Question 6: What type of reaction occurs when ethanol is oxidized to ethanoic acid?
Addition
Substitution
Redox
Elimination
Question 7: Which quantum number determines the shape of an orbital?
Principal quantum number
Angular momentum quantum number
Magnetic quantum number
Spin quantum number
Question 8: What is the pH of a 0.01M HCl solution?
1
2
3
4
Question 9: Which factor does NOT affect the rate of a chemical reaction?
Temperature
Catalyst
ΔH of reaction
Concentration
Question 10: What is the coordination number of Fe³⁺ in [Fe(CN)₆]³⁻?
3
6
9
4