The nonionized form of an acid indicator is yellow, and its anion is blue. The K

Question

The nonionized form of an acid indicator is yellow, and its anion is blue. The K, of this indicator is 10^-9 what will be the approximate pH range over which this indicator change color? a) 5 - 7 b) 3 - 5 c) 8 - 10 d) 9 - 11 e) 4 - 6 The KSp for Fe(IO_3)_3 is 10-14. We mix two solution of equal volume, one containing 10^-2 M Fe^3+ and one contacting 10^-2 M IO_3- ions at 25 degree. Which the statements is true? a) No precipitate forms, because Q_sp k_sp c) A precipitate forms, because Q_sp > k_sp d) A precipitate forms, because Q_sp

Explanation / Answer

Option B is wrong for the simple and following reason and the rest of all the answers are found to be right

Ksp (Ag2S) = [Ag+]2 [S-2]

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