Question

When a solution of substance A is added to a solution of potassium iodide,
then a yellow solid separates out from the solution.
(i) Identify substance A.
(ii) Name the yellow solid which separates out.
(iii) Write a balanced chemical equation for the reaction that takes place​

Answer 1

Answer:

Explanation:

a) Substance X is likely to be Lead nitrate.

b) The yellow solid consists of Lead iodide.  

c) The characteristics of chemical reactions is the formation of a precipitate.

d) Balanced chemical equation with the physical state:

   Pb(NO  3 )  2 (aq)+2KI(aq)→PbI 2  (s)+2KNO  3 (aq)