Year: 2019
Topic: Equilibrium
Time :
1.
Which will make basic buffer ?
(1). 100 mL of 0.1 M CH
3
COOH + 100 mL of 0.1 mL NaOH
(2). 100 mL of 0.1 M HCl + 200 mL of 0.1 m NH
4
OH
(3). 100 mL of 0.1 M HCl + 100 mL of 0.1 M NaOH
(4). 50 mL of 0.1 period M NaOH elements + 25 mL of 0.1 M CH
3
COOH