General Principles And Processes of Isolation Of Elements

General Principles And Processes of Isolation Of Elements

Question

Which series of reactions correctly represents chemical relations related to iron and its compound?

  • Fe rightwards arrow with Dil comma space straight H subscript 2 SO subscript 4 on top space FeSO subscript 4 rightwards arrow with straight H subscript 2 SO subscript 4 comma space straight O subscript 2 on top space Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 rightwards arrow with Heat on top Fe
  • Fe rightwards arrow with blank subscript O subscript 2 comma space H e a t end subscript on top space FeSO subscript 4 rightwards arrow with space space Dil space straight H subscript 2 SO subscript 4 comma on top space FeSO subscript 4 rightwards arrow with Heat on top Fe
  • Fe space rightwards arrow with Cl subscript 2 comma space Heat on top space FeCl subscript 3 space rightwards arrow with Heat comma space air on top FeCl subscript 2 rightwards arrow with Zn on top space Fe
  • Fe space rightwards arrow with straight O subscript 2 comma space end subscript Heat on top space Fe subscript 3 straight O subscript 4 space rightwards arrow with Heat comma space air on top space FeO space rightwards arrow with CO comma space 700 to the power of straight o space straight C on top space Fe

Answer

D.

Fe space rightwards arrow with straight O subscript 2 comma space end subscript Heat on top space Fe subscript 3 straight O subscript 4 space rightwards arrow with Heat comma space air on top space FeO space rightwards arrow with CO comma space 700 to the power of straight o space straight C on top space Fe

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