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The position of some metals in the elect...

The position of some metals in the electrochemical series in decreasing electropositve character is given as ` Mg gt Al gt Zn gt Cu gt Ag`. What will happen if a copper spoon is used to stir a solution of aluminium nitrate ?

A

The solution becomes blue

B

The spoon will get coated with Al

C

An alloy of Cu and Al is formed

D

There is no reaction

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The correct Answer is:
D
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The position of some metals in the electrochemical series in dectreasing electropositeve character is given as Mg lt Al gt Zn gt Cu gt Ag . What will happen if a copper spoon is used to stir a solution of aluminimum nitrate ?

(a) What is the activity series of metals ? Arrange the metals Zn, Mg, Al, Cu and Fe in a decreasing order of reactivity. (b) What would you observe when you put (i) some zinc pieces into blue copper sulphate solution ? (ii) some copper pieces into green ferrous sulphate solution ? (c ) Name a metal which combines with hydrogen gas. Name the compound formed.

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