JEE Main Chemistry question
10⁻⁶ M HCl is diluted 100 times. Its pH is:
Answer: (C)
Solution
Diluted conc.=10⁻⁸ M; at this extreme dilution, [H⁺]=(Ca+√(Ca²+4Kw))/2≈1.05×10⁻⁷; pH≈6.95.
10⁻⁶ M HCl is diluted 100 times. Its pH is:
Diluted conc.=10⁻⁸ M; at this extreme dilution, [H⁺]=(Ca+√(Ca²+4Kw))/2≈1.05×10⁻⁷; pH≈6.95.