Question

write chemical equation when sodium reacts with cold water​

Answer 1

When sodium metal comes into contact with water, it displaces hydrogen gas as follows: 2Na(s)+2H2O→2NaOH(aq)+H2(g)

Explanation:

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

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Answer 2

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When sodium comes into contact with water, it displaces hydrogen gas as follows:

2Na(s)+2H2O→2NaOH(aq)+H2(g).

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it forms sodium hydroxide and hydrogen gas

Explanation:

2Na+2H2o =2NaOH+H2

sodium+cold water=sodium hydroxide+hydrogen gas

observation - revolves on water

reaction- less exothermic

flame- golden yellow

residue- colourless and alkaline

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