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प्रश्न
Identify the type of chemical reaction given below:
\[\ce{CuSO4 + Fe -> FeSO4 + Cu}\]
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उत्तर
Displacement reaction
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संबंधित प्रश्न
Reaction of iron nails with copper sulphate solution is an example of
(a) Combination reaction
(b) Decomposition reaction
(c) Displacement reaction
(d) Double displacement reaction
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
- Cu2O
- Cu
- CuO
- CuS
State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.
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?
\[\ce{2Na + 2H2O -> 2NaOH + H2}\]
What type of reaction is represented by the following equation?
\[\ce{Mg + CuSO4 -> MgSO4 + Cu}\]
What happens when a piece of iron metal is placed in copper sulphate solution? 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 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.
- What do you think metal X is?
- Name the salt YNO3.
- What could be metal Y?
- Name the salt X(NO3)2.
- 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.
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{AgNO3_{(aq)} + NaCl_{(aq)}-> AgCl_{(s)} + NaNO3}\]
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)
Give reasons for the following:
The reaction of iron (III) oxide [Fe2O3] with heated aluminum is used to join cracked machine parts.
Classify the following reaction into –
- Direct combination
- Decomposition
- Displacement
- Double decomposition
The reaction is – Zinc reacts with copper [II] sulphate to give zinc sulphate and copper.
Select the correct answer for the statement given below:
The displaced product of the displacement reaction of sodium with cold water.
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag
(iii) Cu
(iv) Mg.
Choose the best pair.
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:
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.
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
- \[\ce{Mg + 2HCl -> MgCl_2 +H_2}\]
- \[\ce{NaOH +HCl -> NaCl + H_2O}\]
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.
The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is ______.
