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What Type of Chemical Reaction is Represented by the Following Equation? Pq + Rs → Ps + Rq - Science

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प्रश्न

What type of chemical reaction is represented by the following equation?

PQ + RS → PS + RQ

 

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उत्तर

Double displacement reaction

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पाठ 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४६]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 2 | Q 17.4 | पृष्ठ ४६

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

When the substance ‘A’ is added to a solution of BaSO4, a yellow precipitate is formed.

  1. What do you think substance A is likely to be?
  2. Name the precipitate.
  3. Which type of reaction is this?

What is the difference between displacement and double displacement reactions? Write equations for these reactions.


What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.


What type of reaction is represented by the following equation?

CuSO4 + 2NaOH → Cu(OH)2  + Na2SO4


(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.


Fill in the blank

In the type of reaction called ....................................., ions two compounds exchange their positive and negative radicals ions respectively.


Explain the following type of chemical reaction, giving two examples for it:

Double displacement reaction


(i) What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
(ii) What type of reaction is this?
(iii) Write a balanced chemical equation to represent the above reaction.


Classify the following reaction into – 

  1. Direct combination 
  2. Decomposition
  3. Displacement
  4. Double decomposition

The reaction is – Zinc sulphate reacts with ammonium hydroxide to give ammonium sulphate and zinc hydroxide.


Which of the following represents a precipitation reaction?


Explain the types of double displacement reactions with examples.


The following reaction is an example of:

\[\ce{4NH3_{(g)} + 5O2_{(g)} -> 4NO_{(g)} + 6H2O_{(g)}}\]

(i) displacement reaction

(ii) combination reaction

(iii) redox reaction

(iv) neutralisation reaction


Barium chloride on reacting with ammonium sulphate forms barium sulphate and ammonium chloride. Which of the following correctly represents the type of reaction involved?

(i) Displacement reaction

(ii) Precipitation reaction

(iii) Combination reaction

(iv) Double displacement reaction


Balance the following chemical equation and identify the type of chemical reaction.

`"TiCl"_4("l") + "Mg"("s") -> "Ti"("s") + "MgCl"_2("s")`


In a double displacement reaction ______.


Identify the product which represents the solid state in the above reaction.


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.


Give scientific reason.

While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.


Give an example of a double displacement reaction.


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