Complete the process of iron rusting by filling the blanks. Suggest a

1.	Complete the process of iron rusting by filling the blanks. Suggest a way to prohibit the process.The iron rust is formed due to .............. reaction. Different regions on iron surface become anode and cathode. Reaction on anode region : Fe (s) → Fe2+ (aq) + 2e- Reaction on anode region : O2 (g) + 4H+ (aq) +................. → 2H2O((l)When Fe2+ ions migrate from anode region they react with.......... to form Fe3+ A reddish coloured hydrated oxide is formed from............. ions. It is called rust2Fe3+ (aq) + 4H2 O(l) → ............... + 6H+ (aq)A way to prevent rusting ..................................
Answer» Electrochemical 4 e ^- With water Fe³⁺ Fe₂O₃ . H₂O_(s) (Marks should be given for complete process and correct answers) Prevention by colouring with acrylic paints, Zn plating, galvanizing, anodizing, alloying etc.) (Any one way of prevention expected.)

Complete the process of iron rusting by filling the blanks. Suggest a way to prohibit the process.The iron rust is formed due to .............. reaction. Different regions on iron surface become anode and cathode. Reaction on anode region : Fe (s) → Fe2+ (aq) + 2e- Reaction on anode region : O2 (g) + 4H+ (aq) +................. → 2H2O((l)When Fe2+ ions migrate from anode region they react with.......... to form Fe3+ A reddish coloured hydrated oxide is formed from............. ions. It is called rust2Fe3+ (aq) + 4H2 O(l) → ............... + 6H+ (aq)A way to prevent rusting ..................................

Answer»

Electrochemical

4 e ^-

With water

Fe³⁺

Fe₂O₃ . H₂O_(s)

(Marks should be given for complete process and correct answers)

Prevention by colouring with acrylic paints, Zn plating, galvanizing, anodizing, alloying etc.)

(Any one way of prevention expected.)

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