मराठी

When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed. List two types of reactions in which this reaction can be placed. - Science

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प्रश्न

When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

List two types of reactions in which this reaction can be placed.

एका वाक्यात उत्तर

उत्तर

Two types of reactions in which this reaction can be placed are double displacement reaction and precipitation reaction.

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2018-2019 (March) 31/4/2

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संबंधित प्रश्‍न

Write the balanced chemical equation for the following and identify the type of reaction. 

\[\ce{Potassium bromide (aq) + Barium iodide (aq) -> Potassium iodide (aq) + Barium bromide (s)}\]


What do you mean by a precipitation reaction? Explain by giving examples.


(a) What happens when an aqueous solution of sodium sulphate reacts with an aqueous solution of barium chloride?
(b) Write the balanced chemical equation for the reaction which takes place.
(c) State the physical conditions of reactants in which the reaction will not take place.
(d) Name the type of chemical reaction which occurs.
(e) Give one example of another reaction which is of the same type as the above reaction.


A metal X forms a water soluble salt XNO3. When an aqueous solution of XNO3 is added to common salt solution, then a white precipitate of compound Y is formed alongwith sodium nitrate solution. Metal X is said to be the best conductor of electricity and it does not evolve hydrogen when put in dilute hydrohloric acid.
(a) What is metal X?
(b) What is salt XNO3?
(c) Name the compound Y.
(d) Write the chemical equation of the reaction which takes place on reacting XNO3 solution and common salt solution giving the physical states of all the reactants and products. 
(e) What type of chemical reaction is illustrated by the above equation?


Choose and write the correct option.

What is the type of the following reaction?

BaCl+ ZnSO4 →  BaSO4 + ZnCl2


If sodium chloride is added to the silver nitrate solution:

a. which precipitate is formed?
b. name the type of reaction.
c. write the chemical equation.


Choose the correct option from given alternative: 
In a double displacement reaction such as the reaction between sodium sulphate solution and barium chloride solution:
(A) exchange of atoms takes place
(B) exchange of ions takes place
(C) a precipitate is produced
(D) an insoluble salt is produced


Which option denotes a double displacement reaction?


In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the activity if lead nitrate is not available, which of the following can be used in place of lead nitrate?


Write the method of preparation of Ca(OH)2. What happens when CO2 is passed through it? Write balanced chemical equation for the reaction involved.


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