Question

state the rule that governs the displacement of a metal from its salt by another metal

Answer 1

Answer:

Displacement reaction is the rule that has been fallows

Answer 2

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Answer:- The displacement of a metal from ita salt depends on the reactivity series. It decides whether one metal will displace other from its salt or not.

Reactivity Series of metals:-

Potassium

Sodium

Calicum

Magnesium

Aluminium

Zinc

Iron

Tin

Lead

Hydrogen

Copper

Silver

Gold

& Platinum

This is in decreasing order. The metal which lies above will displace the lower metals.

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