Advertisements
Advertisements
Question
Give a balanced equation for –
A displacement reaction involving a metal above hydrogen in the activity series with copper [II] sulphate solution
Advertisements
Solution
Displacement reaction
[more reactive displaces less reactive Cu]
APPEARS IN
RELATED QUESTIONS
State two characteristics of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc granules.
Which of the following is a combination and which is a displacement reaction?
- \[\ce{Cl2 + 2KI -> 2KCl + I2}\]
- \[\ce{2K + Cl2 -> 2KCl}\]
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.
- What could metal X be?
- What could metal Y be?
- Name the metal salt YSO4.
- What type of chemical reaction takes place when metal X reacts with salt solution YSO4? Write the equation of the chemical reaction involved.
- 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.
- What do you think is metal X?
- What could be gas Y2?
- What is compound XO?
- What is compound Y2O?
- Write the chemical equation of the reaction which takes place on heating XO with Y2.
- What type of chemical reaction is illustrated in the above equation?
Fill in the blank.
The chemical change involving iron and hydrochloric acid illustrates a ...............reaction.
Classify the following reaction into different type:
AgNO3(aq) + NaCl(aq) →AgCl(s) + NaNO3(aq)
Select the correct answer for the statement given below:
The displaced product of the displacement reaction of sodium with cold water.
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 ______.
