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Question
Chemistry
Which of the following is not a buffer ?
Q. Which of the following is not a buffer ?
1713
211
UPSEE
UPSEE 2010
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A
N
H
3
+
H
Cl
B
C
H
3
COO
H
+
N
a
O
H
C
H
COO
H
+
H
COO
K
D
N
a
O
H
+
N
a
N
O
3
Solution:
Buffer is a mixture of weak acid/base and its conjugate base/acid.
Thus,
N
a
O
H
+
N
a
N
O
3
is not a buffer.