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Verified Answer & Explanation⌄

Correct Answer: C) Increase

Concept Explanation

NH₄OH removes H⁺ through neutralization, so the H₂S equilibrium shifts to the right and produces more S²⁻.

Topic: Common-Ion Effect and H₂S EquilibriumPractice more Common-Ion Effect and H₂S Equilibrium MCQs →
For H₂S ⇌ 2H⁺ + S²⁻, addition of NH₄OH causes... |... | ARMCQS