JEE Main 2026 Chemistry question

Consider a weak base 'B' of . 'x' mL of 0.02 M HCl and 'y' mL of 0.02 M weak base 'B' are mixed to make 100 mL of a buffer of pH 9 at . The values of 'x' and 'y' respectively are: [Given: ]

• (1)x=11.1, y=88.9
• (2)x=42.7, y=57.3
• (3)x=14.3, y=85.7Correct
• (4)x=85.7, y=14.3