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Question
Chemistry
Which of the following can form buffer solution?
Q. Which of the following can form buffer solution?
2539
256
BITSAT
BITSAT 2017
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A
Aq.
N
H
3
+
N
H
4
O
H
80%
B
K
O
H
+
H
N
O
3
0%
C
N
a
O
H
+
H
Cl
0%
D
K
I
+
K
O
H
20%
Solution:
A
g
⋅
N
H
3
+
N
H
4
O
H
because buffer solution is an aquous solution consisting of a minture of a weak acid and its conjugate base.