Multiple Choice
A solution containing an unknown metal ion is analyzed by qualitative analysis.Addition of chloride has no effect on the solution.Addition of H2S at pH 0.5 results in a precipitate.What group of cations is present?
A) Group I
B) Group II
C) Group III
D) Group IV
E) Group V
Correct Answer:

Verified
Correct Answer:
Verified
Q15: What is the chemical equation that describes
Q16: Which of the following equations is
Q17: The K<sub>sp</sub> of aluminum hydroxide,Al(OH)<sub>3</sub>,is 2 ×
Q18: For Mg(OH)<sub>2</sub>,K<sub>sp</sub> = 6 × 10−<sup>12</sup>.What will
Q19: Which of the boxes below represents solid
Q21: What is the concentration of Hg<sub>2</sub><sup>2+</sup> in
Q22: What is the water solubility of PbI<sub>2</sub>
Q23: What is the net ionic equation for
Q24: At pH 10.0,only 0.019 g of MgCl<sub>2</sub>
Q25: What is the chemical equation that describes