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K2Cr2O4 is not true, must be K2CrO4.

Differences are;

K2Cr2O7: Potasium dichromate is red-orange crystalline solid.

K2CrO4: Potasium chromate is yellow odorless powder.

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βˆ™ 12y ago
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βˆ™ 6mo ago

K2Cr2O7 is potassium dichromate, while K2Cr2O4 is potassium chromate. K2Cr2O7 is an orange-red compound used as an oxidizing agent, while K2Cr2O4 is a yellow compound. K2Cr2O7 tends to be more powerful as an oxidizing agent compared to K2Cr2O4.

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Q: What is difference between K2Cr2O7 and K2Cr2O4?
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What is the balanced equation between potassium dichromate and oxalic acid?

The balanced equation between potassium dichromate (K2Cr2O7) and oxalic acid (H2C2O4) is: K2Cr2O7 + 3H2C2O4 -> Cr2(C2O4)3 + 2K2C2O4 + 4H2O


Symbolic equation for the reaction between potassium dichromate and barium chloride?

The symbolic equation for the reaction between potassium dichromate (K2Cr2O7) and barium chloride (BaCl2) is: K2Cr2O7 + 3BaCl2 -> 3BaCrO4 + 2KCl


How do you make 0.25N K2Cr2O7 solution?

To prepare a 0.25N K2Cr2O7 solution, you would dissolve 12.43 grams of K2Cr2O7 in enough water to make 1 liter of solution. This will give you a molarity of 0.25N for potassium dichromate (K2Cr2O7) in the solution.


What is the formula for patassium dichromate?

The chemical formula for potassium dichromate is K2Cr2O7.


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.


How many grams of potassium are present in 21.6 g of K2Cr2O7?

To find the amount of potassium in K2Cr2O7, calculate the molar mass of K2Cr2O7 first. The molar mass of K2Cr2O7 is 294.2 g/mol. Potassium accounts for 239.1 g/mol = 78.2 g/mol in K2Cr2O7, so in 21.6 g of K2Cr2O7, there are 21.6 g * (239.1 g/mol / 294.2 g/mol) = 5.77 g of potassium.


How prepare 0.1 n k2cr2o7?

To prepare a 0.1 N solution of K2Cr2O7 (potassium dichromate), you would need to dissolve 4.903 grams of K2Cr2O7 in enough water to make 1 liter of solution. Weigh out the exact amount of K2Cr2O7 using a balance, then dissolve it in water and make up the volume to 1 liter. This will give you a 0.1 N solution of K2Cr2O7.


Name the product of ovi dation of etanol with k2Cr2O7?

Aldehydes is the product name of ovi dation of ethanol with k2Cr2O7.


What is the compound for K2Cr207?

The compound K2Cr2O7 is potassium dichromate. It is a bright orange solid commonly used in laboratories as an oxidizing agent and for various chemical reactions.


What is the name of K2Cr2O7?

Potassium dichromate


Equation between potassium dichromate and iron sulfate?

The reaction between potassium dichromate (K2Cr2O7) and iron(II) sulfate (FeSO4) results in a double displacement reaction producing iron(III) chromate (Fe2(CrO4)3) and potassium sulfate (K2SO4). The balanced equation is: 3FeSO4 + K2Cr2O7 β†’ Fe2(CrO4)3 + K2SO4.


What is the dissociation equation for K2Cr2O7?

K2Cr2O7(aq) ------> 2K+(aq)+Cr2O72-(aq)