JEE Main 2026 Chemistry question
Arrange the following resultant mixtures in increasing order of their pH values: A. 10 mL 0.2 M Ca(OH)₂ + 25 mL 0.1 M HCl B. 10 mL 0.01 M H₂SO₄ + 10 mL 0.01 M Ca(OH)₂ C. 10 mL 0.1 M H₂SO₄ + 10 mL 0.1 M KOH
Answer: (C)
Solution
A: OH⁻ excess = 4−2.5=1.5 mmol (basic, high pH). B: H⁺=0.2 mmol exactly equals
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