Question

Write balanced chemical equation for what happens when: Water is added to a piece of Sodium in a test tube?

Answer 1

Answer:

Explanation:

Sodium metal reacts rapidly with water to form a colourless solution of sodium hydroxide (NaOH) and evolve hydrogen gas (H2). The resulting solution is basic because of the dissolved hydroxide. The reaction is exothermic. During the reaction, the sodium metal may well become so hot that it catches fire and burns with a characteristic orange colour. The reaction​ involved is

2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)

The evolved hydrogen gas can be detected by bringing a light matchstick near the mouth of the test tube,the hydrogen gas will start burning with a pop sound.

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Answer 2

Answer:

• 2Na+2H2O = 2NaOH + H2(g)

Explanation:

HIGHLY EXOTHERMIC REACTION