Which Metal Reacts with Water at Normal Temperature ______

  • Cu
  • Fe
  • Mg
  • Na
Monis Rasool Professor Asked on 6th May 2015 in Chemistry.
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    Na ( Soduim ) reacts with water at normal temperature.

    2Na + 2H2O 2NaOH + H2

    Sodium is a chemical element with symbol Na (from Latin: natrium) and atomic number 11. It is a soft, silver-white, highly reactive metal and is a member of the alkali metals; its only stable isotope is 23Na. The free metal does not occur in nature, but instead must be prepared from its compounds. It was first isolated by Humphry Davy in 1807 by the electrolysis of sodium hydroxide. Sodium is the sixth most abundant element in the Earth’s crust, and exists in numerous minerals such as feldspars, sodalite and rock salt (NaCl)  . Many sodium compounds are useful, such as sodium hydroxide (lye) for soap-making, and sodium chloride for use as a de-icing agent and a nutrient (edible salt). Sodium is an essential element for all animals and some plants. In animals, sodium ions are used against potassium ions to build up charges on cell membranes, allowing transmission of nerve impulses when the charge is dissipated. The consequent need of animals for sodium causes it to be classified as a dietary inorganic macro-mineral nutrient.

    Harsh Vardhan Professor Answered on 7th May 2015.
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