Multiple Choice
Solid KCN is added to a solution composed of 0.10 M Ag+ and 0.10 M Zn2+ just until a precipitate forms.What is the composition of this initial precipitate? AgCN Ksp = 2.2 × 10-16 and Zn(CN) 2 Ksp = 3 × 10-16.
A) The precipitate is pure AgCN(s) .
B) The precipitateis pure Zn(CN) 2(s) .
C) The precipitate is a mixture of AgCN(s) and Zn(CN) 2(s) .
D) The precipitate is a mixture of KCN(s) and AgCN(s) .
E) The precipitate is a mixture of KCN(s) and Zn(CN) 2(s) .
Correct Answer:
Verified
Correct Answer:
Verified
Q71: What is the solubility product expression for
Q72: Given the two equilibria below,<br>Ag(NH<sub>3</sub>)<sub>2</sub><sup>+</sup>(aq) <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2288/.jpg"
Q73: Silver nitrate (AgNO<sub>3</sub>)is slowly added to a
Q74: Suppose hydrogen sulfide is added to a
Q75: In which of these solutions would silver(I)carbonate
Q77: After mixing an excess PbCl<sub>2</sub> with a
Q78: What is the solubility product expression for
Q79: What is the molar solubility of lead(II)sulfate
Q80: Which of the following is not likely
Q81: In the sulfide scheme for qualitative analysis,the