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प्रश्न
Account for the following :
Iron on reaction with HCl forms FeCl2 nd not FeCl3.
उत्तर
The reaction of HCl with iron produces H2.
Fe + 2 HCl → FeCl2 + H2
Liberation of hydrogen prevents the formation of FeCl3.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Match the items of Column I with items of Column II and assign the correct code:
| Column I | Column II |
| (A) Blisterred Cu | (1) Aluminium |
| (B) Blast furnace | (2) \[\ce{2Cu2O + Cu2S -> 6Cu + SO2}\] |
| (C) Reverberatory furnace | (3) Iron |
| (D) Hall-Heroult process | (4) \[\ce{FeO + SiO2 -> FeSiO3}\] |
| (5) \[\ce{2Cu2S + 3O2 -> 2Cu2O + 2SO2}\] |
The method not used in metallurgy to refine the impure metal is ______.
