JAMB Chemistry 2025 Objective — Question 7
Question 7 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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For the reversible reaction: N₂ + 3H₂ ⇌ 2NH₃, ΔH = −ve, which change shifts the equilibrium to the right?
- A. Increasing the temperature
- B. Removing ammonia as it formsCorrect
- C. Increasing the volume at constant pressure
- D. Adding an inert gas at constant volume
Explanation
Removing a product (NH₃) reduces its concentration, shifting equilibrium right to produce more. Increasing temperature shifts exothermic reactions left; increasing volume shifts to side with more moles of gas (left).
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