Q.

Which of the following is most soluble in water ?

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a

MnS(Ksp=8×10-37)

b

ZnS KSP = 7 × 10-16

c

Bi2S3 KSP = 10-70

d

Ag2S KSP = 6 × 10-51

answer is B.

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Detailed Solution

Find solubility for each separately by S2= KSP for MnS and ZnS. 108S5= KSP  for  Bi2S3  and 4S3= KSP  for  Ag2S.Higher the value of S greater is solubility  . Greater the solubility product higher is the solubility
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