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At 298 K, the K(xp) value of Fe(OH)(3), ...

At 298 K, the `K_(xp)` value of `Fe(OH)_(3)`, in aqucous solution is `3.8 xx 10^(-38)` . The solubility of `Fe^(3+)` ions will increase when

A

`P^(H)` is increased

B

`P^(H)` is 7

C

`P^(H)` is decreased

D

Saturated solution is exposed to sun light

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The correct Answer is:
C
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AAKASH SERIES-IONIC EQUILLIBRIUM-LECTURE SHEET (EXERCISE-IV) ( Straight Objective Type Questions )
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  2. In which of the following, the solubility of AgCl will be maximum?

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  3. Among the following statements a) If two salts have equal solubility...

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  4. The addition of NaCl to AgCI decreases the solubility of AgCl, because

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  5. To Ag(2)CrO(4) solution over its own percipitate CrO(4)^(2-) ions are ...

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  6. The solubility product of BaSO(4) at 18^(0) C is 1.5xx10^(-9) . It sol...

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  7. The solubility of CaF(2) is 2xx10^(-4) mole /litre . Its solubility pr...

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  8. If the solubility product of MOH is 1xx10^(-10) mol^(2).dm^(-2) . Then...

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  9. Which of the following is wrong ?

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  10. Ionisation of NH(4) OH is supressed by the addition of NH(4)CI because

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  11. The molar solubility in mol. lit^(-1) of a sparingly soluble salt MX(4...

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  12. Let the solubility of an aqueous solution of Mg(OH)(2), be "X^(@) then...

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  13. The correct representation for solubility product of SnS(2) , is

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  14. Which of the following has the lowest value of K at 25^(@) C?

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  15. Which of the following is most soluble ?

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  16. pH of saturated Mg(OH)(2), solution is 12, then

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  17. Which of the following is/are true for an acid- base titration?

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  18. Let the colour of the indicator (Hin colourles) will be visible only w...

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  19. The dissociation constant of an indicator 'InH' is 10^(5. Then

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  20. A solution which remains in equilibrium with undissolved solute is sai...

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