What happens if a plate made of metal Me1 is immersed in a solution of a salt of metal Me2?

| May 17, 2021 | education

What happens if a plate made of metal Me1 is immersed in a solution of a salt of metal Me2? Write the equations of possible reactions in ionic form; (metal) Me1 = Ni (metal salt) Me2 = Bi (NO3) 3

Explanation of the solution to the problem: to solve this problem, it is necessary to use the electrochemical range of activity of metals, the metal that enters into a chemical reaction must be stronger than the one in the salt, that is, Me1 must be more active than Me2, if this condition is met, then this reaction will proceed.
Me1 = Ni; salt Me2 = Bi (NO3) 3 – in the row of metal activity, nickel is located to the left of bismuth, therefore nickel is more active, which means that the reaction will proceed and a metallic coating of bismuth will gradually appear on the plate made of nickel, which is explained by the following reaction:
3Ni + 2Bi (NO3) 3 = 2Bi + 3Ni (NO3) 2.



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