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Basic Buffer Action

8. Explain ho...

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8. Explain how does a mixture of equimolar amounts of NH4OH and NH4Cl act as a basic buffer when 1)small amounts of acid 2)small amounts of base is added.

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Similar questions

A mixture of NH₄Cl and NH₄OH shows no change in pH upon addition small amount of HCl. This is because it is

Q. Mark the appropriate choice to fill up the blanks in the given paragraph.

A solution which maintains a constant pH when small amounts of acid or base are added is known as a ___

(i)

___. A mixture of acetic acid and sodium acetate acts as ___

(i i)

p H

(i i i)

___ and a mixture of ammonium chloride and ammonium hydroxide acts as ___

(i v)

p H

(v)

Q. A solution which maintains constant pH when small amounts of acid or alkali are added is known as ____.

Q. A solution of

N H_{4} C l

N H_{4} O H

acts as a buffer.

Q. Consider the following statement and select correct option :
(l)

K_{s p}

F e (O H)_{3}

in aqueous solution is 3.8 x

10^{38}

at 298 K. The concentration of

F e^{3 +}

will increase when

[H^{+}]

ion concentration decreases.
(ll) In a mixture of

N H_{4} C l

N H_{4} O H

in water, a further amount of

N H_{4} C l

is added. The pH of the mixture will decreases.
(lll) An aqueous solution of each of the following salts

(N H_{4} l, H C O O K)

will be basic, acidic respectively.

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