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Q: What is the oxidation number of chromium in K2Cr2O7?
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What is the oxidation number of chromium in potassium dichromate?

potassium dichromate is K2Cr2O7. The oxidation number of Cr is -6. (Oxygen is -2, K is +1 so Cr must be -6)


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

Potassium dichroamte is K2Cr2O7, in the dichroamte ion both Cr atoms have an oxidation number of +6.


What is oxidation number of K2Cr2O7?

+6 for Cr


What is the oxidation number of Cr in CrBr?

In CrBr (chromium monobromide) Cr would have an oxidation number of +1. This compound is not known perhaps you meant CrBr3, where chromium has an oxidation number of +3


What is the oxidation number for k2cro4?

Potassium's oxidation number is +1. Chromium's oxidation number is +6. Oxygen's oxidation number is -2.


What is the oxidation number of Cr2O72?

In Cr2O72- chromium (Cr) has an oxidation number of 6+ while oxygen has an oxidation number of 2-.


What is the oxidation number of chromium in CrNO3?

1


Why the oxidation number of Cr2O72- is 6?

It is true for chromium. But O shows 2asthe oxidation number.


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

In this kind of compound, oxygen is conventionally assigned an oxidation number of -2 and potassium an oxidation number of +1. For electrical neutrality, chromium must have an oxidation number of + 6, because 2(+1) + 2(+6) + 7(-2) is zero.


What is the oxidation number of Fe and Cr in FeCr2O7?

The possible oxidation numbers for iron cations are +2 and +3. Oxygen in oxyanions is usually assigned an oxidation number of -2, producing a total negative charge of -14 for the seven oxygen atoms in a dichromate anion. If the iron cation has an oxidation number of +2, the two chromium atoms must have a total oxidation number of +12, which is possible when each chromium atom has an oxidation number of +6. An iron (III) cation would require the chromium atoms to have a non integral charge, which is not possible since electrons with half charges are not known. Therefore, the oxidation number of iron in the compound is +2 and the oxidation number for chromium is +6.


What is the oxidation number of the phosphorus in chromium III phosphate?

The oxidation number of chromium varies from +2 to +6.


What is the oxidation number for NH42CrO4?

The oxidation number of a compound is zero (nitrogen -3, hydrogen +1, chromium +3, oxygen -2).