English
Maharashtra State BoardSSC (English Medium) 10th Standard

Complete the following chemical reaction: CuSOA4(aq)+Pb(s)⟶――――――+―――――― Name the chemical reaction type. - Science and Technology 1

Advertisements
Advertisements

Question

Complete the following chemical reaction:

\[\ce{CuSO4 (aq) + Pb (s) -> \underline{}\underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}\underline{}}\]

Name the chemical reaction type.

Short/Brief Note
Advertisements

Solution

  • \[\ce{CuSO4 (aq) + Pb (s) -> PbSO4 + Cu}\]
  • It is a displacement reaction.
shaalaa.com
  Is there an error in this question or solution?
2025-2026 (March) Model set 3 by shaalaa.com

RELATED QUESTIONS

CuSO4(aq) + Zn(s)  ZnSO4(aq) + Cu(s) is an example of a decomposition reaction.


The reddish brown deposit formed on iron nails kept in a solution of copper sulphate is

  1. Cu2O
  2. Cu
  3. CuO
  4. CuS

What happens when dilute hydrochloric acid is added to iron fillings? Choose the correct answer.


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

\[\ce{Magnesium(s) + Hydrochloric acid(aq) -> Magnesium chloride(aq) + Hydrogen(g)}\]


State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.


Why does the colour of copper sulphate solution change when an iron nail is kept immersed in it?


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

A + BC → AC + B

 


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

A2O3 + 2B → B2O3 + 2A

 


What is meant by displacement reaction, Explain with help of one example.


What happens when a zinc strip is dipped into a copper sulphate solution?
Write the equation for the reaction that takes place.


What happens when a zinc strip is dipped into a copper sulphate solution?
Name the type of reaction involved.


A strip of metal X is dipped in a blue coloured salt solution YSO4. After some time, a layer of metal Y from the salt solution is formed on the surface of metal strip X. Metal X is used in galvanisation whereas metal Y is used in making electric wires. Metal X and metal Y together form an alloy Z.
(a) What could metal X be?
(b) What could metal Y be?
(c) Name the metal salt YSO4.
(d) What type of chemical reaction takes place when metal X reacts with salt solution YSO4? Write the equation of the chemical reaction involved.
(e) Name the alloy Z.


When a black metal compound XO is heated with a colourless gas Y2, then metal X and another compound Y2O are formed. Metal X is red-brown in colour which does not react with dilute acids at all. Gas Y2 can be prepared by the action of a dilute acid on any active metal. The compound Y2O is a liquid at room temperature which can turn anhydrous copper sulphate blue.
(a) What do you think is metal X?
(b) What could be gas Y2?
(c) What is compound XO?
(d) What is compound Y2O?
(e) Write the chemical equation of the reaction which takes place on heating XO with Y2.
(f) What type of chemical reaction is illustrated in the above equation?


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

Displacement reaction


The colour of an aqueous solution of zinc sulphate as observed in the laboratory is:

(1) Green 

(2) Yellow 

(3) Blue 

(4) Colourless


To show that zinc is a more active metal than copper, the correct procedure is to: 

(1) add dilute nitric acid on strips of both the metals. 

(2) observe transmission of heat through strips of zinc and copper. 

(3) prepare solution of zinc sulphate and hang strip of copper into it. 

(4) prepare solution of copper sulphate and hang strip of zinc into it. 


Explain the terms with examples.

Displacement reaction


i) Observe the following reaction and answer the following questions.
`CuSO_4 (aq) + Fe (s) →  FeSO_4(aq) + Cu (s)`
a) Identify and write the type of chemical reaction.
b) Write the definition of above reaction.


What is observed after about 1 hour of adding the strips of copper and aluminium separately to the ferrous sulphate solution filled in two beakers? Name the reaction if any change in colour is noticed. Also, write a chemical equation for the reaction.


Identify the type of reaction taking place in the following case and write the balanced chemical equation for the reaction.
Zinc reacts with silver nitrate to produce zinc nitrate and silver.


Classify the following reaction into different type:

Zn + CuSO4 → ZnSO4 + Cu


Classify the following reaction into – 

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

The reaction is – Zinc reacts with copper [II] sulphate to give zinc sulphate and copper.


Give a balanced equation for –

A displacement reaction involving a metal above hydrogen in the activity series with copper [II] sulphate solution


Select the correct answer for the statement given below:

The displaced product of the displacement reaction of sodium with cold water.


  • Complete the given chemical reaction:
    \[\ce{CuSO4_{(aq)} + Fe_{(s)} ->}\] _______ + _______
  • Name the type of the reaction.

Which of the following is a displacement reaction?


Complete the given chemical equation:

\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]

Name the type of reaction.


Consider the following chemical equation I and II

  1. \[\ce{Mg + 2HCl -> MgCl_2 +H_2}\]
  2. \[\ce{NaOH +HCl -> NaCl + H_2O}\]

The correct statement about these equations is:


State the change in colour observed in following case mentioning the reason:

A piece of zinc is dipped in ferrous sulphate solution.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×