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Reaction with Water/ Steam

12. According...

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12. According to the reactivity series of metals copper is less reactive than hydrogen. Then why is Copper hydroxide formed during corrosion of copper which is not possible by the reactivity series of metals)?

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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. Metals which occurs below copper in the reactivity series of metals are:

Which of the following metal comes below copper in reactivity series ?

Q. What do you understand by the reactivity series of the metals? Write the name of one metal each which is more reactive and less reactive than hydrogen:

What do you mean by reactivity series? Arrange the following metals in the decreasing order of their reactivity with acids.

Aluminium, Iron, Copper, Sodium, Silver.

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