a)When an element is Oxidized, which of the following are true?   a Electrons are Lost and the oxidation number Decreases b Electrons are Lost and the oxidation number Increases c Electrons are Gained and the oxidation number Decreases d Electrons are Gained and the oxidation number Increases b) Which oxidation number rule is FALSE?   a The oxidation number of metals in an ionic compound is their ionic charge on the Periodic Table b Oxygen usually has an oxidation number of +2 in a compound c Pure elements have an oxidation number of 0 (zero) d Hydrogen usually has an oxidation number of +1 in a compound

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter8: Reactions In Aqueous Solutions
Section: Chapter Questions
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a)When an element is Oxidized, which of the following are true?

 
a

Electrons are Lost and the oxidation number Decreases

b

Electrons are Lost and the oxidation number Increases

c

Electrons are Gained and the oxidation number Decreases

d

Electrons are Gained and the oxidation number Increases

b)

Which oxidation number rule is FALSE?

 

a

The oxidation number of metals in an ionic compound is their ionic charge on the Periodic Table

b

Oxygen usually has an oxidation number of +2 in a compound

c

Pure elements have an oxidation number of 0 (zero)

d

Hydrogen usually has an oxidation number of +1 in a compound

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