Question

a colourless solution of potassium iodide and lead acetate are mixed when a coloured precipitate is formed. Answer the following;
i) What kind of chemical reaction takes place
ii) Write a balanced chemical equation for the reaction
iii) What is the formula and colour of precipitate

Answer 1

I) double displacement reaction
ii) Pb(NO3)2+ KI—->PbI2+KNO3
iii)lead iodide- PbI2 is the precipitate and is yellow in colour.