can you give all the names of acidic and basic buffers and acidic and basic salts that usually occur in exams?
Asked by imtiyazmulla68
15th March 2018,
11:20 PM
Answered by Expert
Answer:
Buffer solutions can be obtained:
(i) By mixing a weak acid with its salt with a strong base,
(a) CH3COOH + CH3COONa
(b) Boric acid + Borax
(c) Phthalic acid + Potassium acid phthalate
(ii) By mixing a weak base with its salt with a strong acid,
(a) NH4OH + NH4Cl
(b) Glycine + Glycine hydrochloride
(iii) By a solution of ampholyte. The ampholytes or amphoteric electrolytes are the substances which show properties of both an acid and a base.
Proteins and amino acids are the examples of such electrolytes.
(iv)By a mixture of an acid salt and a normal salt of a polybasic acid,
e. g., Na2HPO4 + Na3PO4 or a salt of a weak acid and a weak base, such as CH3COONH4.
Answered by Expert
16th March 2018,
9:57 AM
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