Question

What happens when sodium metal reacts with water in cold? Write the reaction for the same?

Answer 1

when sodium reacts with water sodium hydroxide is formed hydrogen gas as by product that gets burnt with bright flame making the reaction exothermic.

Answer 2

When sodium metal reacts with water in the cold, it forms a Hydrogen Gas and colourless solution of Sodium Hydroxide. The solution is a result of dissolved hydroxide, and the reaction is known as an exothermic reaction.

Hydrogen gas being flammable in nature ignites and forms a flame and a small explosion is also observed, depending on the amount of sodium metal.

The reaction is: 2Na(s) + 2H2O → 2NaOH(aq) + H2(g).