Question

sodium .........reacts smoothly with cold water​

Answer 1

Sodium amalgam reacts smoothly with cold water.

How sodium reacts with cold water:

• Cold water and metals like sodium and potassium react aggressively. These are exothermic reactions. The hydrogen that is evolved is so violent and exothermic that it quickly catches fire.

• Metal sodium is quite reactive. Hydrogen gas is replaced by sodium metal when it comes into contact with water in the following ways:

• 2Na(s)+2H2O→2NaOH(aq)+H2(g).

• As a potent reducing agent in organic chemistry that is easier to handle than sodium itself, sodium amalgam has been used. It is used to reduce aromatic ketones to hydrols and to degrade Emde.

• Combinations, not compounds, are amalgams. Thus, mercury and metal cannot be combined chemically. As a result, amalgam always has a zero metal oxidation state. Because sodium is fused with mercury, which is a free state, the oxidation state of sodium in Na(Hg) is zero.

Learn more about sodium amalgam:

1. Oxidation number of sodium in sodium amalgam

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2. Why hot water is hot and cold water is cold?​

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Answer 2

Answer:

Sodium AMALGAM reacts smoothly with cold water.

Explanation:

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