2. A precipitate forms when 0.04 moles aqueous potassium iodide solution is mixed with 0.06 moles
aqueous silver nitrate solution. (3 Marks)
(a) Which of the following is the ionic equation for the reaction?
a. Ag²+ (aq) + 1² (aq) → Agl(s)
b. Ag^+ (aq) + I^-(aq) → Agl(s)
c. K²(aq) + 2NO3^-(aq) → K₂(NO3)2(S)
d. K*(aq) + NO3^-(aq) → KNO3(s)
(b) Give the colour of the precipitate formed.
a. Yellow
b. Cream
C. White
d. Pink
(c) State the number of moles of precipitate that were formed.
a. 0.02
b. 0.04
c. 0.06
d. 0.08