What is the oxidation state of chromium in K2Cr2O7?
Understand the Problem
The question is asking for the oxidation state of chromium (Cr) in the compound potassium dichromate (K2Cr2O7). To find the oxidation state, we can use the known oxidation states of potassium (K) and oxygen (O) and set up an equation to solve for the oxidation state of Cr.
Answer
+6
The final answer is +6
Answer for screen readers
The final answer is +6
More Information
Chromium in potassium dichromate (K2Cr2O7) has an oxidation state of +6, given that potassium (K) has +1 and oxygen (O) has -2 oxidation states.
Tips
A common mistake is missing the fact that there are two chromium atoms, which is crucial when balancing the equation correctly to sum up to zero.
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