Redox properties of metals

Redox properties of metals

Review and some more

Multiple Choice

Which group of metals is the statement below true for?

They can be found in nature.

• negtive standard

  potential metals

• positive standard

  potential metals

Multiple Choice

Which group of metals is the statement below true for?

Hydrochloric acid dissolves them.

• negative standard

  potential metals

• positive standard

  potential metals

Multiple Choice

Which group of metals is the statement below true for?

Acetic acid dissolves them.

• negative standard

  potential metals

• positive standard

  potential metals

Multiple Choice

Which is true for base metals?

• having negative standard

  potential

• having positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which is true for transition metals?

• having negative standard

  potential

• having positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which makes a metal prefer oxidation?

• more negative standard

  potential

• more positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which makes a metal prefer reduction?

• more negative standard

  potential

• more positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which makes a metal being an oxidiser?

• more negative standard

  potential

• more positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which makes a metal being a reducinhg agent?

• more negative standard

  potential

• more positive standard

  potential

• both possible

• neither possible

Multiple Choice

Which makes a metal being a base?

• more negative standard

  potential

• more positive standard

  potential

• both possible

• neither possible

Sinlgle displacement

• "the stronger acid displaces the weaker from its salt"

• Fe + Cu²⁺ = Cu + Fe²⁺

• Fe - 2 e^- = Fe²⁺

• Cu²⁺ + 2 e- = Cu

Poll

Is it working wise versa?

Cu + Fe²⁺ = ...

• Yes, why not...

• No, because...

• Really no clue

Primary school

Reactivity series

• the more reactive substance replaces the less reactive

• metal1 displaces metal2 cation from its oxide

• metal1 displaces metal2 cation from its solution

• production of metals

Production

• LiCl = Li + Cl₂

• KCl = K + Cl₂

• CaCl₂ = Ca + Cl₂

• NaCl = Na + Cl₂

• MgCl₂ = Mg + Cl₂

• Al₂O₃ = Al + O₂

Reduction by coal

• Direct step:

• Fe₂O₃ + C = Fe + CO

• indirect step

• Fe₂O₃ + CO = Fe + CO₂

• PbO₂ for lead

• e.g. MnO₂ for manganese

Let's see

https://www.youtube.com/watch?v=AklV5BYIiaw

https://www.youtube.com/watch?v=9lOBrKw6DrI