Question

1) Which compound would be more soluble in an acidic solution than in a neutral solution?

A. AgCl

B. CuBr₂

C. SrF₂

D. PbI₂

2) A buffer solution is composed of 0.200M NH₃ and 0.200 M NH₄Cl. When a small amount of HCl is added to this buffer, which species in the buffer neutralizes the added acid?

A. ammonium ion, NH₄⁺

B. chloride ion, Cl^-

C. ammonia, NH₃

D. None of the above since HCl cannot be neutralized by this buffer.

Answer 1

Answer :-

1). C.SrF₂ because it is salt of strong base and weak acid i.e. it is basic in nature so it will more soluble in acidic solution than in neutral solution.

2). C. ammonia, NH₃ because it is base specie in tje buffer and will react with HCl to form NH₄⁺ ions.