Question

(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.

Lakhmir Singh Chemistry Class 10

Answer 1

Explanation:

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Answer 2

A )such an arrangement of metals in decreasing order of reactivity is called the reactivity series of metals.

B) metals react with dilute hydrochloric and Sulphuric Acid to form the corresponding salt and to liberate hydrogen . the hydrogen formed burns with a Pop sound when a lighted matchstick is brought near it.

C) more reactive than hydrogen is Iron and less reactive than hydrogen is Mercury.

D) zinc and silver

E) Copper and gold

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