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What is the oxidation number of chromium in sodium dichromate, Na 2Cr 2O 7? +6 +7 +12 +14

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter5: Chemical Reactions

Section: Chapter Questions

Problem 5.71E

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Question

What is the oxidation number of chromium in sodium dichromate, Na ₂Cr ₂O ₇?

		+6
		+7
		+12
		+14

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