Advertisements
Advertisements
प्रश्न
What is meant by displacement reaction, Explain with help of one example.
उत्तर
Displacement reaction is a chemical reaction in which displacement of a metal from its solution takes place by the other metal that is more reactive than the metal being displaced.
Example:
Zn + CuSO4 → ZnSO4 + Cu
APPEARS IN
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
\[\ce{Fe2O3 + 2Al -> Al2O3 + 2Fe}\]
The above reaction is an example of a ______.
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 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:
AgNO3(aq) + NaCl(aq) →AgCl(s) + NaNO3(aq)
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 |
State the change in colour observed in following case mentioning the reason:
A piece of zinc is dipped in ferrous sulphate solution.