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+6. 07 gives -14. K2 gives +2. As the molecule is neutral Cr2 must give +12. As there are 2 atoms 1 Cr must give +6.

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12y ago
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6mo ago

The oxidation number of Cr in K2Cr2O7 is +6. This can be determined by assigning the oxidation number of +1 to each K atom, the oxidation number of -2 to each O atom, and applying the rule that the sum of oxidation numbers in a neutral compound is zero.

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Q: What is the oxidation number of Cr in K2Cr2O7 formula?
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What is oxidation number of K2Cr2O7?

+6 for Cr


What is the oxidation number of Cr is acidified potassium dichromate?

The oxidation number of Cr in acidified potassium dichromate (K2Cr2O7) is +6. This is because each oxygen atom has an oxidation number of -2, and the overall charge of the dichromate ion is -2.


Oxidation number of Cr in K2Cr2O7?

The oxidation number of chromium (Cr) in K2Cr2O7 is +6. This is because the total charge of the compound is 0, and each potassium (K) atom has an oxidation number of +1, and each oxygen (O) atom has an oxidation number of -2. Using these values, you can calculate the oxidation number of chromium to be +6.


What is the oxidation number for 0 in k2cr207?

In K2Cr2O7, the oxidation number of oxygen is typically -2. Since there are two oxygen atoms in the dichromate ion (Cr2O7)^2-, the total oxidation number contribution from oxygen is -14. To balance this, the oxidation number of Cr is +6. Therefore, the oxidation number of O in this compound is -2.


What is the oxidation number of chromium in potassium dichromate?

The oxidation number of chromium in potassium dichromate is +6. Each oxygen has an oxidation number of -2, and since the compound is neutral, the oxidation number of potassium is +1. This means the two chromium atoms in potassium dichromate each have an oxidation number of +6 to balance the charges.


What is the oxidation state of chromium in the compound K2Cr2O7?

The oxidation state of chromium in K2Cr2O7 is +6. This can be determined by assigning oxidation states to the other elements in the compound (K = +1, O = -2) and using the overall charge of the compound (zero) to calculate the oxidation state of chromium.


What is the oxidation number of one chromium atom in potassium dichromate?

The oxidation number of one chromium atom in potassium dichromate (K2Cr2O7) is +6. This is because each oxygen atom has an oxidation number of -2 and each potassium atom has an oxidation number of +1, so the overall charge of the compound is zero, making the oxidation number of chromium +6 to balance it out.


What is the oxidation number of Cr in CaCrO4?

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The oxidation number for Cr in Cr2O7^2- is +6.


What is the change in the oxidation number of Cr?

The change in oxidation number of Cr depends on the specific reaction or compound involved. For example, in the reaction from Cr(III) to Cr(VI), the oxidation number of Cr changes from +3 to +6, indicating an increase in oxidation state.


What is the oxidation number of Cr2O3?

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What is the oxidation number of Cr in CrBr?

The oxidation number of Cr in CrBr is +3. Since Br has an oxidation number of -1 and there is only one Br atom in the compound, the oxidation number of Cr must be +3 to balance the charges to zero.