Concept explainers
(a)
Interpretation:
Given combination can act as buffer or not is to be determined.
HCN and NaCN
Concept Introduction:
A solution having mixture of weak acid and its conjugate base is known as buffer solution. Buffer can resist pH change upon addition of small amount of acid or base.
The compounds which are differ by the existence of one proton that is H+ is said to be conjugate acid-base pairs. Every acid has its conjugate base; it is formed when the proton is donated whereas every base has its conjugate acid, it is formed when the proton is accepted.
(b)
Interpretation:
Given combination can act as buffer or not is to be determined.
H3PO4 and K3PO4
Concept Introduction:
A solution having mixture of weak acid and its conjugate base is known as buffer solution. Buffer can resist pH change upon addition of small amount of acid or base.
The compounds which are differ by the existence of one proton that is H+ is said to be conjugate acid-base pairs. Every acid has its conjugate base; it is formed when the proton is donated whereas every base has its conjugate acid, it is formed when the proton is accepted.
(c)
Interpretation:
Given combination can act as buffer or not is to be determined.
HF and KF
Concept Introduction:
A solution having mixture of weak acid and its conjugate base is known as buffer solution. Buffer can resist pH change upon addition of small amount of acid or base.
The compounds which are differ by the existence of one proton that is H+ is said to be conjugate acid-base pairs. Every acid has its conjugate base; it is formed when the proton is donated whereas every base has its conjugate acid, it is formed when the proton is accepted.
(d)
Interpretation:
Given combination can act as buffer or not is to be determined.
HC3H5O2 and NaC3H5O2
Concept Introduction:
A solution having mixture of weak acid and its conjugate base is known as buffer solution. Buffer can resist pH change upon addition of small amount of acid or base.
The compounds which are differ by the existence of one proton that is H+ is said to be conjugate acid-base pairs. Every acid has its conjugate base; it is formed when the proton is donated whereas every base has its conjugate acid, it is formed when the proton is accepted.
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EBK INTRODUCTORY CHEMISTRY
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