Question

Explain the process of casting iron nails in solution of CuS04. (including chemical equation)​

Answer 1

Answer:

Reaction of Iron Nails with Copper Sulphate Solution in Water. When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green. ... This reaction is a single displacement reaction.

Explanation:

Chemical equation for the reaction between CuSO4 solution and an iron nail is given below. CuSO4 + Fe → FeSO4 + Cu (a)

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Answer 2

Explanation:

• Metal­lic iron is ob­tained in in­dus­try by re­duc­ing it from iron ox­ide with car­bon monox­ide CO:
• Ob­tain­ing car­bon (IV) ox­ide from coal:
• C + O₂ = CO₂;
• Ob­tain­ing car­bon II ox­ide (re­duc­er for ob­tain­ing iron):
• CO₂ + C = 2CO;
• Re­duc­tion of iron from iron ox­ide:
• Fe₂O₃ + 3CO = 2Fe + 3CO₂.
• Iron can also be ob­tained di­rect­ly by re­duc­ing it with hy­dro­gen at a tem­per­a­ture of 1000 ᵒC (1832 ᵒF):
• Fe₂O₃ + 3H₂ = 2Fe + 3H₂O.
• Chem­i­cal­ly pure iron is ob­tained by elec­trol­y­sis of the so­lu­tion of its salt:
• K(-): 1) 2H₂O + 2e = H₂ + 2OH⁻;
• Fe²⁺ + 2e = Fe(0).
• A(+): 2H₂O - 4e = O₂ + 4H⁺.
• Sum­mar­i­ly:
• Fe­S­O₄ + 2H₂O = Fe + H₂ + O₂ + H₂­SO₄.
• With non-met­als, iron re­acts at high tem­per­a­tures:
• 3Fe + 2O₂ = Fe₃O₄ (a mix­ture of iron (II) and (III) ox­ides form);
• Fe + S = FeS;
• 2Fe + 3Br₂ = 2FeBr₃.