50.0 mL of 0.1 M $C H_{3} C O O H$ solution is taken to which the following quantities of 0.1 M NaOH have been added. Match the followings
Column I: Volume of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$
Column II: pH of solubrion

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Solution

When 25.0 mL of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$ , the pH of solution is 4.74.
When 40.0 mL of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$ , the pH of solution is 11.96.
When 50.0 ml of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$ , the pH of solution is 8.72.
When 60.0 mL of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$ , the pH of solution is 11.96.
When 70.0 mL of 0.1 M NaOH added to 50 mL of 0.1 M $C H_{3} C O O H (p K_{a} C H_{3} C C O H = 4.74)$ , the pH of solution is 12.22.

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