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What is the chemical reaction between hydrogen peroxide and K2Cr2O7?
The chemical reaction between hydrogen peroxide (H2O2) and potassium dichromate (K2Cr2O7) in acidic medium produces chromium(III) sulfate (Cr2(SO4)3), water (H2O), and oxygen gas (O2). This reaction is used in the laboratory to test for the presence of alkenes due to the oxidizing properties of potassium dichromate.
Why is the reaction between potassium and dilute acid not used to laboratory?
The reaction between potassium and a dilute acid or even just water (which is what an acid is diluted in) is very dangerous. On contact with the acid the potassium bursts into flame and may even explode, sending flaming molten pieces of potassium into the air.
What is the balanced reaction between ethanol and potassium?
The balanced reaction between ethanol (C2H5OH) and potassium (K) is 2C2H5OH + 2K --> 2C2H5OK + H2. This reaction forms potassium ethoxide and hydrogen gas as products.
What will happen if you mix potassium and water together?
When potassium is added to water, it reacts vigorously, producing hydrogen gas and a lot of heat. The reaction is highly exothermic and can result in the ignition of the hydrogen gas, producing a flame. The reaction between potassium and water is so violent that it can cause the potassium metal to explode.
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 --> H2 + LiOH.
Why is the reaction between potassium and dilute acids not used to prepare hydrogen in the laboratory?
Because they have a more efficient way of doing it.
What is that gas in the reaction between hydrogen and potassium?
The gas produced in the reaction between hydrogen and potassium is hydrogen gas (H2). This reaction is highly exothermic and violent, producing a bright light and a pop sound due to the rapid formation of hydrogen gas.
What is the chemical reaction between hydrogen peroxide and K2Cr2O7?
The chemical reaction between hydrogen peroxide (H2O2) and potassium dichromate (K2Cr2O7) in acidic medium produces chromium(III) sulfate (Cr2(SO4)3), water (H2O), and oxygen gas (O2). This reaction is used in the laboratory to test for the presence of alkenes due to the oxidizing properties of potassium dichromate.
Word equation for the reaction between potassium and water?
Potassium plus Water gives Potassium Hydroxide plus Hydrogen
What is the reaction between hydrochloric acid and potassium metal?
The reaction between hydrochloric acid and potassium metal produces potassium chloride and hydrogen gas. The balanced chemical equation is: 2K + 2HCl → 2KCl + H2. This is a single replacement reaction where potassium displaces hydrogen from hydrochloric acid.
What is the reaction between potassium permanganate and hydrogen peroxide?
When potassium permanganate and hydrogen peroxide react, they produce oxygen gas, water, and manganese dioxide as products. This reaction is known as a redox reaction, where the permanganate ion is reduced and the hydrogen peroxide is oxidized.
What is the reaction between hydrogen peroxide and potassium permanganate?
When hydrogen peroxide is mixed with potassium permanganate, it results in a vigorous reaction that produces oxygen gas, water, and manganese dioxide as products. This reaction is exothermic and can be used as a demonstration of a redox reaction.
What is the reaction between dilute hydrochloric acid and potassium?
When dilute hydrochloric acid reacts with potassium, it produces potassium chloride and hydrogen gas. The chemical equation for this reaction is: 2K(s) + 2HCl(aq) → 2KCl(aq) + H2(g). It is a single displacement reaction where potassium displaces hydrogen from hydrochloric acid to form potassium chloride.
What does k plus h2o make in chemistry?
The reaction between potassium (K) and water (H2O) typically results in the formation of potassium hydroxide (KOH) and hydrogen gas (H2). This reaction is highly exothermic and can cause the hydrogen gas produced to ignite.
Why is the reaction between potassium and dilute acid not used to laboratory?
The reaction between potassium and a dilute acid or even just water (which is what an acid is diluted in) is very dangerous. On contact with the acid the potassium bursts into flame and may even explode, sending flaming molten pieces of potassium into the air.
Potassium hydrogen phthalate and sodium hydroxide equation?
The reaction between potassium hydrogen phthalate (KHP) and sodium hydroxide (NaOH) is a neutralization reaction. The balanced chemical equation for this reaction is: KHP + NaOH -> KNaP + H2O. In this reaction, the potassium hydrogen phthalate reacts with sodium hydroxide to form potassium sodium phthalate and water.
What is the balanced reaction between ethanol and potassium?
The balanced reaction between ethanol (C2H5OH) and potassium (K) is 2C2H5OH + 2K --> 2C2H5OK + H2. This reaction forms potassium ethoxide and hydrogen gas as products.
