हिंदी

Consider the Reaction: Kbr (Aq) + Agno3 (Aq) → Kno3 (Aq) + Agbr (S) this is an Example Of: (A) Decomposition Reaction (B) Combination Reaction (C) Double Displacement Reaction (D) Displacement Reaction - Science

Advertisements
Advertisements

प्रश्न

Consider the reaction:

KBr (aq) + AgNO3 (aq) → KNO3 (aq) + AgBr (s)

This is an example of:
(a) decomposition reaction
(b) combination reaction
(c) double displacement reaction
(d) displacement reaction

 

Advertisements

उत्तर

(c) double displacement reaction

In the given reaction, exchange of the ions takes place between both the reactants, so it is a double displacement reaction.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Chemical Reactions and Equations - Exercise 2 [पृष्ठ ४८]

APPEARS IN

लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 2 | Q 56 | पृष्ठ ४८

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

Complete the following reaction, balance it and write the name of the products CuO + HCI →_________ + _________


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.


 Give two characteristics of the chemical reaction which occurs on adding potassium iodide solution to lead nitrate solution.


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


The aqueous solutions of copper sulphate and zinc sulphate appear

(A) blue and green respectively

(B) green and colourless respectively

(C) blue and brown respectively

(D) blue and colourless respectively.


(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.


When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of a:


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?


Which option denotes a double displacement reaction?


In a double displacement reaction ______.


Add potassium chromate (K2CrO4) into the solution of barium sulphate (BaSO4).

  1. What was the colour of the precipitate formed? Also, write the name of the precipitate.
  2. Write down the balanced equation for this reaction.
  3. Will you call this reaction a displacement reaction or a double displacement reaction? Why?

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


Write balanced chemical equation for the following word equation.

Lead nitrate + Potassium iodide → Lead iodide + Potassium nitrate

Is this a double displacement reaction? Justify your answer. Name the compound precipitated and write the ions present in it.


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×