Question

In which of the following cases will chemical reaction take place and why?
(i) A solution of zinc sulphate is stirred with iron rod.
(ii) A solution of copper sulphate is stirred with iron rod.

Answer 1

Answer:

(1) The reaction wont take place since iron is less reactive than zinc ( refer the metal reactivity series) so iron is replace zinc from its salt solution.

(2) The reaction will takes place since copper is below iron in thg\e reactivity series so it can displace copper from its salt solution.

Answer 2

Answer:

(ii) equation takes place.

According to electro chemical series , Fe displaces copper

ELECTRO CHEMICAL SERIES ORDER

Li

K

Ba

Sr

Ca

Na

Mg

Al

Mn

Zn

Co

Fe

Cr

Ni

Pb

Hg

Cu

Ag

Au

Pt

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