$P b (N O_{3})_{2} (a q) + 2 K C l (a q) \to 2 K N O_{3} (a q) + P b C l_{2} (s)$

When lead nitrate solution is mixed with potassium chloride solution, a precipitate of lead chloride and solution of potassium nitrate are formed. This type of reaction is called _________________.

Combination reaction

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Decomposition reaction

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Displacement reaction

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Double displacement reaction

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Solution

The correct option is D
Double displacement reaction

$P b (N O_{3})_{2} (a q) + 2 K C l (a q) \to 2 K N O_{3} (a q) + P b C l_{2} (s)$

In the above reaction, $P b^{2 +}$ from $P b (N O_{3})_{2}$ displaces $K^{+}$ from KCl and forms an insoluble solid $P b C l_{2}$ . Similarly, $K^{+}$ from KCl displaces $P b^{2 +}$ from $P b (N O_{3})_{2}$ to form $K N O_{3}$ solution. The ions (cations) are exchanged between the reactants.Hence, this reaction is called double displacement reaction.

General representation of a double displacement reaction: $A B + C D \to A D + C B$

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$P b (N O_{3})_{2} (a q) + 2 K C l (a q) \to 2 K N O_{3} (a q) + P b C l_{2} (s)$

When lead nitrate solution is mixed with potassium chloride solution, a precipitate of lead chloride and potassium nitrate solution are formed. This type of reaction is called _________________.

Q. When double displacement reaction of an aqueous solution of lead (II) nitrate and aqueous solution of potassium sulfate occurs, precipitate form will be?

Q. What is the precipitate produced from the double displacement reaction of an aqueous solution of lead (II) nitrate and an aqueous solution of Potassium sulfate?

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Q. You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of:
(a) potassium chloride
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Pb(NO3)2(aq)+2KCl(aq)→2KNO3(aq)+PbCl2(s) When lead nitrate solution is mixed with potassium chloride solution, a precipitate of lead chloride and solution of potassium nitrate are formed. This type of reaction is called _________________.

$P b (N O_{3})_{2} (a q) + 2 K C l (a q) \to 2 K N O_{3} (a q) + P b C l_{2} (s)$

When lead nitrate solution is mixed with potassium chloride solution, a precipitate of lead chloride and solution of potassium nitrate are formed. This type of reaction is called _________________.