Which metal is the most reactive

Reference no: EM13170011

What is the net redox reaction that occurs when Ag comes into contact with acidic K2Cr2O7?

Which metal is the most reactive?
Au
Ni
Ag
Au
Pt

Which reagent is the least reactive?
MnO41-
SO42-
Cr2O72-

Reference no: EM13170011

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