Question

Sodium react with water then it catches fire give reason

Answer 1

Because Sodium is a highly reactive metal. The h2 gas produced when hitting with water instantly catches fire . The reaction is highly exothermic giving a lot of heat out.

Hence, Sodium react with water then it catches fire give reason.

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Answer 2

Sodium has valency 1 and has a very low IP ,so it reacts with water and forms NaOH . The reaction is so vigrous that it catches fire.