Beaker A contains a strip of nickel in aluminum sulfate and beaker B contains a strip of aluminum in a solution of nickel sulfate. What happens to each beaker?

Md Ariful Islam

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According to reactivity series of metals, aluminium is more active. Hence, aluminium will substitute nickel from its salt, while nickel will not substitute aluminium. The answer - nothing will happen in the beaker A and aluminium will turn to nickel in the beaker B. 2Al+3NiSO4=Al2(SO4)3+3Ni
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