Question

A tarnished silver rod when kept in water containing magnesium bars regains its lustre . Justify .

Answer 1

because it depends in solutions

Answer 2

Answer:

HERE AS THE MAGNESIUM BEING MORE REACTIVE THAN THE SILVER SO IT DISPACES SILVER FROM IT's POSITION.THE FOLLOWING IS THE REACTION :-

Ag₂S + Mg ⇒ MgS + Ag₂

Here as we can see that silver is being displaced so and formed MgS (Magnesium sulphide) and the silver gets deposit on the silver rod and the rod gains its lustre back.

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