$A$ buffer solution is formed by a weak acid and its salt with a strong base,or a weak base and its salt with a strong acid. In which of the following pairs is this characteristic found?
- A$HCl$ and $NaCl$
- B$NaOH$ and $NaNO_3$
- C$KOH$ and $KCl$
- D$NH_4OH$ and $NH_4Cl$
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Similar Questions
The acidic and basic strength of buffer solutions remains constant because ...
Medium
View SolutionWhich among the following pairs constitutes a buffer?
How many moles of sodium acetate should be added to $1 \ L$ of a $0.1 \ M$ solution of $CH_3COOH$ to give a solution of $pH = 5.5$? (Given: $pK_a$ of $CH_3COOH = 4.5$)
Medium
View SolutionAssertion : In a titration of weak acid and $NaOH$,the $pH$ at half equivalence point is $pK_a$.
Reason : At half equivalence point,it forms an acidic buffer and the buffer capacity is maximum where $[acid] = [salt]$.
Reason : At half equivalence point,it forms an acidic buffer and the buffer capacity is maximum where $[acid] = [salt]$.
MediumAIIMS 2009
View SolutionWhat are buffer solutions? Explain types of buffer solutions with examples.
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