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14 > What is the oxidation state of each element in K, Cr, 0,? K Cr What is the oxidation state of each element in So?-? S

14 > What is the oxidation state of each element in K, Cr, 0,? K Cr What is the oxidation state of each element in So?-? S

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 9

### Question 9 of 14 **What is the oxidation state of each element in K₂Cr₂O₇?** - **K** [Dropdown for selection] - **Cr** [Dropdown for selection] - **O** [Dropdown for selection] --- **What is the oxidation state of each element in SO₄²⁻?** - **S** [Dropdown for selection] - **O** [Dropdown for selection]
Transcribed Image Text:### Question 9 of 14 **What is the oxidation state of each element in K₂Cr₂O₇?** - **K** [Dropdown for selection] - **Cr** [Dropdown for selection] - **O** [Dropdown for selection] --- **What is the oxidation state of each element in SO₄²⁻?** - **S** [Dropdown for selection] - **O** [Dropdown for selection]
Expert Solution
Step 1

Compound = K2Cr2O7 

This is known as potassium dichromate.

Electronic configuration of O = 1s22s22p4

O need 2 electrons to have complete stable electronic configuration. So it has -2 charge. 

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