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

At 298 K , the `K_(sp) ` value of `Fe(OH)_3` in aqueous 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

Text Solution

Verified by Experts

The correct Answer is:
C
Solubility increases on removing ` OH^(-) ` i.e., if ` PH downarrow `
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AAKASH SERIES-IONIC EQUILIBRIUM -LECTURE SHEET (EXERCISE -IV LEVEL -I (MAIN ) (Straight Objective Type Questions))
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  4. K(sp) of A2B(3) in water at 25^(@) C . is 1.1 xx 10^(-23) conce...

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  7. The solubility product of a rare earth metal hydroxide M(OH)3 at ro...

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  9. Which of the following is wrong ?

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  10. Assertion (A) : P^(H) of an aqueous solution of acetic acid remians...

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

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  13. In which of the following, the solubility of AgCl will be maximum?

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  14. The solubility of PbSO4 "in" 0.01 M Na2SO4 solution is (K(sp) of Pb...

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  15. 100 mL , each of 0.25 M NaF and 0.01 5 Ba (NO)3 are mixed K(sp) of Ba...

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  16. The molar solubility of Pbl(2) in 0.2M Pb(NO(3))(2) solution in terms ...

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  17. At 298 K , the K(sp) value of Fe(OH)3 in aqueous solution is 3.8 xx ...

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