What Is the Effect of Substituting Soluble Metal Salts Such

Multiple Choice

What is the effect of substituting soluble metal salts such as NaCl and K₂CO₃ for HCl or (NH₄) ₂CO₃ in the qualitative analysis scheme for separating the five Analytical Groups?

A) You can no longer tell if your original sample contained Na⁺ or K⁺.
B) There is no effect on the analysis since Na⁺ and K⁺ do not form a precipitate.
C) The NaCl and K₂CO₃ are not pure,analytical grade materials.
D) Potassium ion forms a precipitate with sulfide ion.
E) Na⁺ and K⁺ react violently with acids such as H₂S,producing highly flammable and potentially explosive hydrogen gas.