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Caesium. Francium may be more reactive but it is radioactive as well as chemically very reactive and so there are many uncertainties regarding its properties.

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9y ago

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When an alkali metal reacts with water it produces what?

When an alkali metal reacts with water, it produces an alkali metal hydroxide and hydrogen gas. This is a highly exothermic reaction, with the alkali metal displacing hydrogen from the water molecule.


What happens when metal reacts with metal?

Alkali metals reacts violently with water forming a hydroxide and hydrogen; alkali earth metals react with water but no so violent.Other metals doesn't generally react with water at room temperature.


What reacts with an alkali to produce hydrogen gas?

When an alkali metal like sodium or potassium reacts with water, it produces hydrogen gas. This reaction is highly exothermic and can be violent. The alkali metal displaces hydrogen from water molecules, leading to the formation of hydrogen gas and the corresponding metal hydroxide.


What metal reacts with water to cause an explosion?

there are some alkali metals. It can be sodium or potassium.


An alkali metal which reacts with water vigorously with water and sends sparks flying?

Lithium is an alkali metal that reacts vigorously with water, producing sparks due to the release of hydrogen gas. This reaction is highly exothermic, leading to the formation of lithium hydroxide and hydrogen gas.


Metal that bursts into flames when it reacts in water?

I believe that you think to alkali metals (ex. sodium).


What does alkali form when it reacts with ammonia gas?

When an alkali metal (such as sodium or potassium) reacts with ammonia gas (NH3), it forms a complex called an amide. This reaction involves the alkali metal displacing hydrogen in ammonia to form metal amide and hydrogen gas.


What alkali metal reacts violently in water with a purple flame?

Potassium and dont try it at home it is dangerous


What is the alkali metal in table salt?

the alkali metals bases reacts with the acids to form salt and water example NaOH+HCl=H2O+NaCl


What substance reacts with water to give a solution of pH value greater than 7?

For example an alkali metal.


Why does the pH of water change after a reaction with an alkali metal?

The pH of water changes after a reaction with an alkali metal because the metal reacts with water to produce hydroxide ions, increasing the concentration of hydroxide ions in the solution and making it more basic. This leads to a shift in the pH towards the alkaline side of the pH scale.


Why sodium carbonate being a salt acts as an alkali metal?

It is not an alkali metal, but it is alkaline. The carbonate ion is a weak base; it reacts with water in small amounts to form bicarbonate ions and hydroxide ions.