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M(OH)x has Ksp 4 x 10^12 and solubility 10^4 M. Then the value of x is (A)1 (B) 2 (C) 3 (D) -4

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M(OH)x has Ksp 4 x 1012 and solubility 104 M. Then the value of x is

(A)1 

(B) 2 

(C) 3

(D) -4

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1 Answer

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Best answer

Correct option (B) 2 

Explanation : 

M(OH)x will ionize in the way

by inspection we get this relation will hold good when x = 2

by (10 points)
Why do we multiply by x in the eqn of Ksp
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