JEE Main Chemistry question
The pH of 7×10⁻⁸ M CH₃COOH is:
Answer: (D)
Solution
At this extreme dilution, water autoionization must be included: [H⁺]≈(Ca+√(Ca²+4Kw))/2≈1.41×10⁻⁷; pH≈6.85.
The pH of 7×10⁻⁸ M CH₃COOH is:
At this extreme dilution, water autoionization must be included: [H⁺]≈(Ca+√(Ca²+4Kw))/2≈1.41×10⁻⁷; pH≈6.85.