different metal react with different from of water
Answers
Yes. Metals of different reactivity react with different forms of water.
For example,
1. Highly Reactive Metals like Sodium and Potassium even react with cold water and the reaction is so violent that the hydrogen gas evolved catches fire.
2Na + 2H₂O (cold) ------------> 2NaOH + H₂
2K + 2H₂O (cold) ------------> 2KOH + H₂
2. The reaction of calcium with water is less violent. The heat evolved is not sufficient for the hydrogen to catch fire.
Ca + 2H₂O → Ca(OH)₂+ H₂
Calcium starts floating because the bubbles of hydrogen gas stick to the surface of the metal.
3. Magnesium reacts with hot water only.
Mg + 2H₂O --------> Mg(OH)₂ + H₂
4. Metals like Aluminium and iron react with steam only.
2Al + 3H₂O → Al₂O₃ + 3H₂
3Fe + 4H₂O → Fe₃O₄ + 4H₂
5. Metals of low reactivity like copper, gold, silver and lead do not react with water at all.