MCQ Collection
Pakistan MCQs
Practice Pakistan questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: A. Carboxylic acid and alcohol
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: A. A polymer formed by joining unsaturated monomers without small-molecule loss
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
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Correct Answer: A. 0.01 s
Explanation:
The charging or discharging time constant is τ = RC.
Capacitance must be expressed in farads.
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Correct Answer: B. Phenoxide ion is resonance-stabilized
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
Choose an option to check your answer.
Correct Answer: B. A polymer formed with elimination of small molecules
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
Choose an option to check your answer.
Correct Answer: B. 0.01 s
Explanation:
The charging or discharging time constant is τ = RC.
Capacitance must be expressed in farads.
Choose an option to check your answer.
Correct Answer: C. Neutral FeCl₃ test
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: C. Polyethene
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
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Correct Answer: D. Primary alcohol
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: D. Condensation polymer
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
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Correct Answer: A. Secondary alcohol
Explanation:
Organic reactions are predicted from functional groups, reagents and mechanisms.
The stated product or mechanism follows standard organic chemistry.
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Correct Answer: A. Join surfaces through interfacial attraction and cohesion
Explanation:
Macromolecular properties depend on bonding, structure and functional groups.
The selected option matches the relevant chemical role.
