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Acidic Buffer Action

An acid buffe...

Question

An acid buffer solution can be prepared by mixing solution of :

A

Ammonium chloride and hydrochloric acid

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B

Sulphuric acid and sodium sulphate

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C

Acetic acid and sulphuric acid

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D

Sodium acetate and acetic acid

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Solution

The correct option is B Sodium acetate and acetic acid
Acidic buffer is a solution of a weak acid and salt of weak acid and strong base and here sodium acetate and acetic acid only forms this solution.

Whereas other solution does not contain weak acid and its salt thus they does not form acidic buffer solution.

Option D is correct.

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Similar questions

Q. A buffer solution can be prepared from a mixture of:
(i) Sodium acetate and acetic acid in water
(ii) Sodium acetate and hydrochloric acid in water
(iii) Ammonia and ammonium chloride in water
(iv) Ammonia and sodium hydroxide in water

Q. For preparing a buffer solution of pH 6 by mixing sodium acetate and acetic acid, the ratio of the concentration of salt and acid should be (

K_{a}

10^{- 5}

)

Q. The reaction of lead acetate solution with dilute hydrochloric acid to form lead chloride and an acetic acid solution is a:

A buffer solution of pH = 5.15 is to be prepared from acetic acid (Ka =

$1.80x10^5$ ), sodium acetate and water. What must be the molar ratio of acetate ion to acetic acid in this solution to obtain this pH?

Identify the odd one out and justify.

(a) Chloride, nitrate, hydride, ammonium

(b) Hydrogen chloride, sodium hydroxide, calcium oxide, ammonia

(c) Acetic acid, carbonic acid, hydrochloric acid, nitric acid

(d) Ammonium chloride, sodium chloride, potassium nitrate, sodium sulphate

(e) Sodium nitrate, sodium carbonate, sodium sulphate, sodium chloride

(f) Calcium oxide, magnesium oxide, zinc oxide, sodium oxide.

(g) Crystalline blue vitriol, crystalline common salt, crystalline ferrous sulphate, crystalline sodium carbonate.

(h) Sodium chloride, potassium hydroxide, acetic acid, sodium acetate.

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