1
WB JEE 2016
MCQ (More than One Correct Answer)
+2
-0
In which of the following mixed aqueous solutions, pH = pKa at equilibrium?

1. 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 MCH3COONa

(2) 100 mL of 0.1 MCH3COOH + 50 mL of 0.1 M NaOH

(3) 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 M NaOH

(4) 100 mL of 0.1 MCH3COOH + 100 mL of 0.1 MNH3
A
(1) is correct
B
(2) is correct
C
(3) is correct
D
Both (1) and (2) are correct
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