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Chemistry
Which of the following is not a buffer ?
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Q. Which of the following is not a buffer ?
UPSEE
UPSEE 2010
A
$ NH_3 + HCl $
B
$ CH_3COOH + NaOH $
C
$ HCOOH + HCOOK $
D
$ NaOH + NaNO_3 $
Solution:
Buffer is a mixture of weak acid/base and its conjugate base/acid.
Thus, $NaOH + NaNO _{3}$ is not a buffer.