Describe the formation of an aqueous KI solution, when solid KI dissolves in water.

Which of the following statements is/are true?

a) Methane will dissolve completely in acetone, CH₃COCH_3.

b) Hydrofluoric acid (HF) will form a heterogeneous mixture with tetrachloride, CCl₄.

c) Pentane will form a homogeneous mixture with CBr₄.

d) Methanethiol (CH₃SH) is miscible in fluoromethane (CH₃F).