Question

Identify the type of reaction taking place in each of the following cases and write the balanced chemical equations for the reactions.
(I) Zinc react with silver nitrates to produces zinc nitrate and silver

Answer 1

Zinc reacts with "silver nitrate" to form "zinc nitrate and silver".

This is a precipitation reaction which will precipitate silver metal and aqueous zinc nitrate.

This is a single replacement reaction and the replacement takes place because zinc is higher than silver in the metal reactivity series according to the periodic table.

Zn + 2 AgNo3 --------> Zn(No3) 2 + 2Ag

This reaction is a redox reaction where zinc metal Zn is oxidized to its cations Zn^{2+}Zn

2+

and the silver cations \mathrm{Ag}^{+}Ag

+

is reduced to silver metal Ag.

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