A precipitation reaction is one in which two soluble reactants form an insoluble product. The insoluble product is a solid which usually sinks to the bottom of the liquid.
The table shows the solubility of the compounds that form when some chemicals react. The compounds that are soluble are marked with a tick (right). The compounds that are insoluble are marked with a cross(x).
Which of the following word equations represents a precipitation reaction?
Important Questions on Chemical Changes and Reactions
Sonu wanted to react potassium iodide solution with aqueous solution of lead nitrate to obtain a yellow precipitate of lead iodide. To carry out the reaction, he made the following experimental set up.
But accidently the lead nitrate solution fall down and more lead nitrate is not available in the laboratory. Could you suggest which of the following salt he can use for performing this activity?
When mercury (II) thiocyanate is heated
I. A decomposition reaction takes place.
II. An endothermic reaction takes place.
III. Carbon disulphide gas is evolved.
The true statements are
