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Mathematics of Dipole Moment

A student wan...

Question

A student wants to prepare a saturated solution of ${A g}^{+}$ ion. He has got only three samples $A g C l$ ( $K_{s p} = 1.8 \times 10^{- 10}$ ), $A g B r (K_{s p} = 5 \times 10^{- 13}$ ) and ${A g}_{2} {C r O}_{4} (K_{s p} = 2.4 \times 10^{- 12}$ ). Which compound should have maximum $[{A g}^{+}]$ ?

A

A g C l

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B

A g B r

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C

{A g}_{2} {C r O}_{4}

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D

All of them are equal

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Solution

The correct option is C ${A g}_{2} {C r O}_{4}$

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Similar questions

Q. Some chemists at ISRO wished to prepare a saturated solution of a silver compound and they wanted it to have the highest concentration of silver ion possible. which of the following compounds would they use?

K_{s p} (A g C l) = 1.8 \times 10^{- 10} . K_{s p} (A g B r) = 5.0 \times 10^{- 13}

K_{s p} (A g_{2} C r O_{4}) = 2.4 \times 10^{- 12} [U s e \sqrt[3]{0.6} = 0.84]

K_{s p}

A g C l = 1.7 \times 10^{- 10}

, then find the concentration of the

{A g}^{+}

ion in a saturated solution of

A g C l

?

Q. The solubility product constant of

{A g}_{2} {C r O}_{4}

A g B r

1.1 \times 10^{- 12}

5.0 \times 10^{- 13}

respectively. Calculate the ratio of the molarities of their saturated solutions.

K_{s p}

A g B r, A g C l, {A g}_{2} {C O}_{3}

{A g}_{3} A s O_{4}

5 \times 10^{- 13}, 1.8 \times 10^{- 10}, 8.1 \times 10^{- 12}

10^{- 22}

respectively. Silver nitrate is added to the solution each having

0.1 M

concentration of

{B r}^{-}, {C l}^{-}, {C O}_{3}^{2 -}

A s O_{4}^{3 -}

. Select the correct answer.

A g C l

was treated with

5

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}

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