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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Complete the given chemical equation: Zn(s)+CuSOA4(aq)⟶―――――+――――― Name the type of reaction.

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प्रश्न

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.

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उत्तर

\[\ce{Zn(s) + CuSO4(aq) -> ZnSO4(aq) + Cu(s)}\]

This is a displacement reaction.

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2025-2026 (March) Model set 1 by shaalaa.com

संबंधित प्रश्‍न

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

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?

\[\ce{A + BC -> AC + B}\]


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

\[\ce{A2O3 + 2B -> B2O3 + 2A}\]


What type of reaction is represented by the following equation?

\[\ce{Mg + CuSO4 -> MgSO4 + Cu}\]


What is meant by a displacement reaction? Explain with the help of one example.


What happens when a zinc strip is dipped into a copper sulphate solution?

  1. Write the equation for the reaction that takes place.
  2. Name the type of reaction involved.

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


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.

  1. What do you think is metal X?
  2. What could be gas Y2?
  3. What is compound XO?
  4. What is compound Y2O?
  5. Write the chemical equation of the reaction which takes place on heating XO with Y2.
  6. What type of chemical reaction is illustrated in the above equation?

When a strip of red-brown metal X is placed in a colourless salt solution YNO3 then metal Y is set free and a blue coloured salt solution X(NO3)2 is formed. The liberated metal Y forms a shining white deposit on the strip of metal Х.

  1. What do you think metal X is?
  2. Name the salt YNO3.
  3. What could be metal Y?
  4. Name the salt X(NO3)2.
  5. What type of reaction takes place between metal X and salt solution YNO3?

Fill in the blank.

The chemical change involving iron and hydrochloric acid illustrates a ...............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


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:

AgNO3(aq) + NaCl(aq) →AgCl(s) + NaNO3(aq)


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.

Match the following

Identify the types of reactions.

REACTION TYPE
NH4OH(aq) + CH3COOH(aq) → CH3COONH4(aq) + H2O(l) Single Displacement
Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) Combustion
\[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] Neutralization
C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat Thermal decomposition

Which of the following is a displacement reaction?


\[\ce{Pb + CuCl2 -> PbCl2 + Cu}\]

The above reaction is an example of:


Identify the type of chemical reaction given below:

\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]


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.


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

A piece of zinc is dipped in ferrous sulphate solution.


The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is ______.


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