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Metal which placed higher in the electrochemical series
When an ion of metal is displaced by a more reactive metal, the ion of metal
Equations below represent the displacement reaction of metal A, B and C.
Reaction I : A + B²⁺ → A²⁺ + B
Reaction II : C + A²⁺ → C²⁺ + A
Which of the following statement is true?
Excess metal M powder is added to copper(II) sulphate solution and stirred. The solution turned colourless at the end of the experiment. M could be
The following equation shows the displacement of metal B from its salt solution.
A + BCl₂ → ACl₂ + B
Which of the following may be Metal A and metal B
Diagram below shows a displacement reaction.
After a few minutes, the colourless solution turns blue. Which statement best explains the observation?
Iron displaces copper from copper oxide.
Fe+CuO→FeO+Cu
Magnesium displaces iron from iron oxide.
Mg+FeO→Fe+MgO
Which statement about these reactions is correct?