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What color flame is produced when potassium metal reacts with water?
When potassium metal reacts with water, it produces a lilac-colored flame. This flame color is a result of the energy released during the chemical reaction between potassium and water.
What type of a reaction occurs when potassium metal reacts with fluorine gas?
When potassium metal reacts with fluorine gas, it undergoes a redox reaction to form potassium fluoride. The potassium metal loses an electron to form a potassium cation, and the fluorine gas gains an electron to form fluoride anions. This reaction is highly exothermic and produces a white solid as the product.
What type of reaction occurs when potassium metal reacts with fluorine gas?
The reaction between potassium metal and fluorine gas is a redox reaction. Potassium transfers an electron to fluorine, forming potassium fluoride. This reaction is highly exothermic and produces a bright flame.
What gas is made when potassium reacts with water?
Potassium reacts with water to produce potassium hydroxide (KOH) and hydrogen gas (H2).
Is lithium a metal or nonmetal?
Lithium is a metal, it reacts by losing an electron to form a positive ion. It is a member of Group 1 with sodium and potassium.
Which metal reacts most vigorously with water at 25C?
Potassium is the metal that reacts most vigorously with water at 25C.
What happens when copper metal reacts with potassium cyanide?
Copper metal is less reactive than potassium so it will not react with potassium cyanide.
What color flame is produced when potassium metal reacts with water?
When potassium metal reacts with water, it produces a lilac-colored flame. This flame color is a result of the energy released during the chemical reaction between potassium and water.
Is potassium stable metal that does not react readilyto other elements?
No, potassium is an extremely reactive metal that reacts very easily with other elements.
What is copper carbonate plus potassium?
When copper carbonate reacts with potassium, it forms copper metal and potassium carbonate. This reaction is a redox reaction where copper is reduced and potassium is oxidized.
What metal reacts with oxygen when heated?
Magnesium, Iron, Copper,sodium and potassium
What type of a reaction occurs when potassium metal reacts with fluorine gas?
When potassium metal reacts with fluorine gas, it undergoes a redox reaction to form potassium fluoride. The potassium metal loses an electron to form a potassium cation, and the fluorine gas gains an electron to form fluoride anions. This reaction is highly exothermic and produces a white solid as the product.
How do you combine potassium and oxygen?
Potassium reacts with oxygen to form potassium oxide. When heated, potassium metal reacts vigorously with oxygen to produce potassium superoxide. Balancing the equation for this reaction would show 4K + O2 -> 2K2O.
What are ten examples of reactions between metal and nonmetal?
Sodium (metal) reacts with chlorine (nonmetal) to form sodium chloride. Magnesium (metal) reacts with oxygen (nonmetal) to form magnesium oxide. Aluminum (metal) reacts with sulfur (nonmetal) to form aluminum sulfide. Lithium (metal) reacts with nitrogen (nonmetal) to form lithium nitride. Potassium (metal) reacts with fluorine (nonmetal) to form potassium fluoride. Calcium (metal) reacts with phosphorus (nonmetal) to form calcium phosphide. Barium (metal) reacts with iodine (nonmetal) to form barium iodide. Titanium (metal) reacts with carbon (nonmetal) to form titanium carbide. Iron (metal) reacts with chlorine (nonmetal) to form iron(III) chloride. Zinc (metal) reacts with sulfur (nonmetal) to form zinc sulfide.
Which metal reacts with water and burns with a lilac flame?
Potassium has a violet color in the flame test.
How does potassium make its oxide and hydroxide?
Potassium reacts with oxygen to form potassium oxide (K2O) by a direct combination of the elements at high temperatures. Potassium hydroxide (KOH) is produced when potassium metal reacts with water, undergoing a rapid and exothermic reaction.
Are brass and potassium alike?
No, they are not alike. Potassium is a metal where brass is alloy made of two metals: copper and zinc. Potassium reacts violently with water, but brass won't.
