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*members of the alkali metal family of column IA

It explodes!

The alkali metals (lithium (Li), sodium (Na), potassium (K), rubidium (Rb), and cesium (Cs)) are very strong reducing agents. In other words, the elements very much want to get rid of 1 electron so that it will have the noble gas configuration (of the noble gas with atomic number one less than the alkali metal). For instance, when you add sodium metal to water, the sodium gives up one electron to water to form OH- and H2 gas. The reaction is identical for all the elements in the first column of the Periodic Table (Just replace "Na" in the equation with the symbol for the other element).

Here is the reaction:

2Na + H2O --> 2Na+ + 2OH- + H2

The electron is being lost by the sodium metal (it is oxidized) and it is being gained by the hydrogen. The oxidation state of Na metal is 0, but Na+ is produced with an oxidation state of 1. The oxidation state of H in water is 1, but in H2, the oxidation state is 0. The oxidation state of oxygen is not changed in the reaction.

The reaction becomes more violent for elements lower in that group (Li < Na < K < Rb < Cs). Adding these elements to water will often cause an explosion due to the extremely exothermic nature of the reaction, and is thus extremely dangerous. In fact, some alkali metals will react violently just with moisture in the air! Also, these reactions produce hydrogen gas, which is quite flammable.

See the Web Links for more information, and make sure to watch the impressive videos of massive explosions due to sodium added to water! KA-BOOM!!!

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13y ago
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12y ago

Boom

A violent reaction: hydrogen and potassium hydroxide results from this reaction.

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14y ago

It either explodes or bursts up in to flames.

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13y ago

the lithium react with the water and explodes and if u have lithium on your hand and wash your hands your hands will just blow off

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13y ago

It reacts with the water, producing heat and H2 (hydrogen gas)

In some cases, this combination of products lead to explosions (hydrogen gas is combustible)

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15y ago

It explodes!

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Q: What happens when lithium is put in water?
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Will lithium sink or float in water?

Lithium will react violently with water. Do not put it in water


What happens when a lithium ion reaches a cathode?

The lithium ion is reduced to an atom of metallic lithium. (If liquid water is in contact with the cathode, however, each lithium atom will react very rapidly with water and become a lithium ion again, releasing hydrogen to the atmosphere.)


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Lithium, like other alklai metals, reacts pretty violently with water. The reaction is 2Li + 2H2O ==&gt;2LiOH + H2(g)


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The hydrogen will dissolve


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You get a very violent reaction (so don't do this), and you're left with lithium fluoride and water.


What happens when lithium reacts with potassium hydroxide?

There will be no reaction between the lithium and the potassium hydroxide. However, since the potassium hydroxide is in solution, the lithium will still react with the water to form lithium hydroxide and hydrogen gas. 2Li + H2O --&gt; H2 + LiOH.


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It'd create Lithium nitrate and Water and CO2 I'd imagine. It'd also be irreversible in the sense that when CO2 leaves the water (gas) it cannot react


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Lithium react violent with water and lithium hydroxide and hydrogen are formed.


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Throw it in water and see what happens :)


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