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Name the products formed when iron filings are heated with dilute hydrochloric acid
- a)Fe (III) chloride and water
- b)Fe (II) chloride and water
- c)Fe (II) chloride and hydrogen gas
- d)Fe (III) chloride and hydrogen gas
Correct answer is option 'D'. Can you explain this answer?
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Name the products formed when iron filings are heated with dilute hydr...
2Fe + 6HCl → 2FeCl3 (Iron (III) chloride) + 3H2
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Name the products formed when iron filings are heated with dilute hydr...
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Name the products formed when iron filings are heated with dilute hydr...
When iron filings are heated with dilute hydrochloric acid, the following products are formed:
1. Fe (III) chloride and water
2. Fe (II) chloride and water
3. Fe (II) chloride and hydrogen gas
4. Fe (III) chloride and hydrogen gas
Out of these, the correct answer is option 'D' which is Fe (III) chloride and hydrogen gas.
Explanation:
1. Fe (III) chloride and water:
When iron filings are heated with dilute hydrochloric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl3 and water.
2. Fe (II) chloride and water:
When iron filings are heated with concentrated hydrochloric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl2 and water.
3. Fe (II) chloride and hydrogen gas:
When iron filings are treated with steam or water vapor at high temperatures, iron reacts with steam to form hydrogen gas and ferrous oxide (FeO). The ferrous oxide then reacts with hydrochloric acid to form FeCl2 and water.
4. Fe (III) chloride and hydrogen gas:
When iron filings are heated with a mixture of hydrochloric acid and sulfuric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl2. However, the presence of sulfuric acid oxidizes ferrous ions to ferric ions (Fe3+), which then react with the remaining hydrochloric acid to form FeCl3 and water. Therefore, the products formed in this reaction are FeCl3 and hydrogen gas.
1. Fe (III) chloride and water
2. Fe (II) chloride and water
3. Fe (II) chloride and hydrogen gas
4. Fe (III) chloride and hydrogen gas
Out of these, the correct answer is option 'D' which is Fe (III) chloride and hydrogen gas.
Explanation:
1. Fe (III) chloride and water:
When iron filings are heated with dilute hydrochloric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl3 and water.
2. Fe (II) chloride and water:
When iron filings are heated with concentrated hydrochloric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl2 and water.
3. Fe (II) chloride and hydrogen gas:
When iron filings are treated with steam or water vapor at high temperatures, iron reacts with steam to form hydrogen gas and ferrous oxide (FeO). The ferrous oxide then reacts with hydrochloric acid to form FeCl2 and water.
4. Fe (III) chloride and hydrogen gas:
When iron filings are heated with a mixture of hydrochloric acid and sulfuric acid, iron reacts with hydrogen ions to form ferrous ions (Fe2+) and hydrogen gas. The ferrous ions then react with the chlorine ions from hydrochloric acid to form FeCl2. However, the presence of sulfuric acid oxidizes ferrous ions to ferric ions (Fe3+), which then react with the remaining hydrochloric acid to form FeCl3 and water. Therefore, the products formed in this reaction are FeCl3 and hydrogen gas.
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Name the products formed when iron filings are heated with dilute hydrochloric acida)Fe (III) chloride and waterb)Fe (II) chloride and waterc)Fe (II) chloride and hydrogen gasd)Fe (III) chloride and hydrogen gasCorrect answer is option 'D'. Can you explain this answer?
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