Question

why Sodium can't be stored in water (write reaction also)
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Answer 1

Answer:

Sodium, on coming in contact with water, reacts explosively and forms sodium hydroxide. Thus no sodium is left for laboratorical use. Phosphorus is a non metal and doesn't react with water.

Sodium metal reacts rapidly with water to form a colourless basic solution of sodium hydroxide (NaOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic