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Displacement Reaction

Which of the ...

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Question 1

Which of the following pairs will give displacement reactions?

a) $NaCl$ solution and copper metal
b) ${MgCl}_{2}$ solution and aluminum metal
c) ${FeSO}_{4}$ solution and silver metal
d) ${AgNO}_{3}$ solution and copper metal

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Solution

${AgNO}_{3}$ solution and copper metal will give displacement reaction where copper being more reactive than silver, displaces it from silver nitrate.

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Q. Four metals A, B, C and D are, in turn, added to the following solutions one by one. The observations made are tabulated below:

Metal	Iron (II) sulphate	Copper (II) sulphate	Zinc sulphate	Silver nitrate
A	No reaction	Displacement	-	-
B	Displacement	-	No reaction	-
C	No reaction	No reaction	No reaction	Displacement
D	No reaction	No reaction	No reaction	No reaction

Answer the following questions based on above information:
(i) Which is the most active metal and why?
(ii) What would be observed if B is added to a solution of copper (II) sulphate and why?
(iii) Arrange the metals A, B, C and D in order of increasing reactivity.
(iv) Container of which metal can be used to store both zinc sulphate solution and silver nitrate solution. Give reason for your choice.
(v) Which of the above solutions can be easily stored in a computer made up of any of these metals?

Which one of the following four metals would be displaced from the solution of its salt by the other three metals ?

(a) Zinc

(b) silver

(c) copper

(d) magnesium

Which of the following pairs cannot undergo displacement reaction?

(a) iron sulphate solution and magnesium

(b) zinc sulphate solution and iron

(c) zinc sulphate solution and calcium

(d) silver nitrate solution and copper

Q. (a) What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium
(b) Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
(c) Name one metal more reactive and another less reactive than hydrogen.
(d) Name one metal which displaces copper from copper sulphate solution and one which does not.
(e) Name one metal which displaces silver from silver nitrate solution and one which does not.

Q. Which of the following pairs will show displacement reaction?why?
a) FeSO4 and copper metal
b) FeSO4 and aluminium metal

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Displacement Reaction

Standard X Chemistry

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