![]() ![]() ![]() Predict the solubility of common inorganic compounds by using solubility rules.Recognize and identify examples of precipitation reactions.A solution of potassium chloride when mixed with silver nitrate solution, an insoluble white substance is formed.By the end of this section, you will be able to:.When dissolved in water, it evolves a large amount of heat and forms compound ‘B’.(i) Identify A and B.(ii) Write chemical equation for the reaction of A with water.(iii) List two types of reaction in which this reaction may be classified. A compound ‘A’ is used in the manufacture of cement.What is observed when a pinch of sodium hydrogen carbonate is added to 2 mL of acetic acid taken in a test tube? Write chemical equation for the reaction involved in this case.In order to obtain a yellow precipitate you should mix with it a solution of:(a) potassium chloride (b) potassium nitride (c) potassium sulphide (d) potassium iodide ![]() You are given the solution of lead nitrate.Identify the type of reaction taking place in the following cases and write the balanced equation for the reaction(a) Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide(b) Zn reacts with silver nitrate to produce zinc nitrate and silver.(a) What is a double displacement reaction? Explain with an example.(b) A small amount of quick lime is added to water in a beaker.(i) Name and define the type of reaction that has taken place.(ii) Write balanced chemical equation for the above reaction and the chemical name of the product formed.(iii) List two main observations of this reaction.Mention the physical states of all the reactants and products involved in the chemical equation. When the solution of substance X is added to the solution of potassium iodide, then a yellow solid separates out from the solution.(a) What do you think substance X is likely to be?(b) Name the substance which the yellow solid consists of.(c) Which characteristics of chemical reactions is illustrated by this example?(d) Write a balanced chemical equation for the reaction which takes place.What happens on adding it in excess?(iii) Write chemical equation of this reaction. A 5% solution of alkaline potassium permanganate is added first drop by drop to this solution, then in excess.(I) How is 5% solution of KMn04 prepared?(ii) State the role of alkaline potassium permanganate in this reaction. 3 mL of ethanol is taken in a test tube and warmed gently in a water bath.Write a balanced chemical equation for this reaction. (c) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. (a) What is a balanced chemical equation? Why should chemical equations be balanced?(b) Aluminium burns in chlorine to form aluminium chloride (AlCl3).(c) Give two characteristics of the chemical reaction which occurs on adding potassium iodide solution to lead nitrate solution. (a) Give one example of a chemical reaction.(b) State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.What happens when silver nitrate solution is added to sodium chloride solution?(a) Write the equation for the reaction which takes place.(b) Name the type of reaction involved.On adding a drop of barium chloride solution to an aqueous solution of sodium sulphite, a white precipitate is obtained.(a) Write a balanced chemical equation of the reaction involved(b) What other names can be given to this precipitation reaction?(c) On adding dilute hydrochloric acid to the reaction mixture, white precipitate disappears.While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate? In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. ![]()
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