Redox= quiz part 2 with answers

Why does the surface of the iron in the middle of water droplet serves as the anode? ,[object Object],[object Object],[object Object],[object Object]

[object Object],Write half equation for the reaction at (i) above

The electrons released by the iron flows to the edge of the water where there is plenty of dissolved oxygen. Why does the iron surface here serve as the cathode? ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Write half equation for the reaction at (iii) above

[object Object],The iron(II) ions formed in (i) combined with the hydroxide ions formed in (iii) to form iron(II) hydroxide. Write the equation for the reaction here ,[object Object],Fe 2+ +2OH -  Fe(OH) 2

[object Object],The iron(II) hydroxide is rapidly oxidized by air to form rust. Write formula of rust

Draw simple diagram of mechanism of rusting

Method of metals extraction ,[object Object],[object Object],[object Object],[object Object]

What kind of metals A) prevent rusting and B) encourage rusting ,[object Object],[object Object]

ECS and RS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(RS) C (RS) H H (ECS)

Differences between electrolytic cell and voltaic/chemical cell ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Redox= quiz part 2 with answers

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Redox= quiz part 2 with answers