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Standard XII

Chemistry

Solubility Product

At 30 degree ...

Question

At 30 degree C, In which of the one litre solution, the solubility of ${A g}_{2} {C O}_{3}$ (solubility product= $8 \times 10^{- 12}$ ) will be maximum :-

0.05 M

{N a}_{2} {C O}_{3}

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Pure water

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0.1 M NaBr

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0.05 M

N H_{3}

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Solution

The correct option is D 0.05 M $N H_{3}$
In pure water:
$A g_{2} C O_{3} \leftrightarrow 2 A g^{+} + C O_{3}^{2 -}$
In $N H_{3}$ :
$A g_{2} C O_{3} \leftrightarrow 2 A g^{+} + C O_{3}^{2 -}$
$2 A g^{+} + 4 N H_{3} \leftrightarrow 2 A g (N H_{3})_{2}^{+}$
Overall: $A g_{2} C O_{3} + 4 N H_{3} \leftrightarrow 2 A g (N H_{3})_{2}^{+} + C O_{3}^{2 -}$
Here a complex formation is taking place, due to the formation of the complex reaction between silver ions and ammonia shifts the solubility equilibrium in the forward direction which in turns increased the solubility.
Therefore, $A g_{2} C O_{3}$ will be most soluble in $N H_{3}$ .

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Similar questions

Q. At

30^{o} C

, the solubility of

{A g}_{2} {C O}_{3}

( solubility product

= 8 \times 10^{- 12})

will be maximum in:

Q. A sample of

A g C l

was treated with

5

mL of

1.5 M

{N a}_{2} {C O}_{3}

solution to give

{A g}_{2} {C O}_{3}

. The remaining solution contained

0.0026 g

{C l}^{-}

per litre. The solubility product of

A g C l

(

K_{s p}

_{({A g}_{2} {C O}_{3})} = 8.2 \times 10^{- 12}

)

Q. A sample of

A g C l

was treated with

5 m L

1.5 M

{N a}_{2} {C O}_{3}

solution to give

{A g}_{2} {C O}_{3}

. The remaining solution contained

0.0026 g {C l}^{-}

per litre. Calculate the solubility product of

A g C l

(K_{s p} ({A g}_{2} {C O}_{3}) = 8.2 \times 10^{- 12})

Q. At

30^{o} C

, the solubility of

{A g}_{2} {C O}_{3}

(K_{s p} = 8 \times 10^{- 12})

would be greatest in one litre of:

Q. The solubility product of

{A g}_{2} C_{2} O_{4}

25^{o} C

1.29 \times 10^{- 11} {m o l}^{3} L^{- 3}

. A solution of

K_{2} C_{2} O_{4}

containing

0.1520 m o l

500 m L

of water is shaken with excess of

{A g}_{2} {C O}_{3}

till the following equilibrium is reached.

{A g}_{2} {C O}_{3} + K_{2} C_{2} O_{4} ⇌ {A g}_{2} C_{2} O_{4} + K_{2} {C O}_{3}

At equilibrium, the solution contains

0.0358 m o l e

K_{2} {C O}_{3}

. Assuming the degree of dissociation of

K_{2} C_{2} O_{4}

and

K_{2} {C O}_{3}

to be equal, calculate the solubility product of

{A g}_{2} {C O}_{3}

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At 30 degree C, In which of the one litre solution, the solubility of Ag2CO3 (solubility product=8×10−12) will be maximum :-

At 30 degree C, In which of the one litre solution, the solubility of ${A g}_{2} {C O}_{3}$ (solubility product= $8 \times 10^{- 12}$ ) will be maximum :-