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Chemistry for Changing Times

Chemistry

Quiz 8 :

Oxidation and Reduction

Quiz 8 :

Oxidation and Reduction

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Which of the following is a definition of oxidation?
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Answer:

A

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The black, granular material that fills a dry cell in a common flashlight (between the carbon rod and the zinc shell) is manganese(II) oxide, MnO2. The oxidation number of manganese in MnO2 is
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Answer:

C

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Sodium bisulfite converts bromine (Br2) to bromide (Br-). Sodium bisulfite is a(n)
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Answer:

D

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Which of the following is a definition of reduction?
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All redox reactions occur with the transfer of
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Consider the following unbalanced half-reaction: MnO4- → MnO2. The oxidation number of Mn changes from ________, and the Mn is ________.
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Which substance is an oxidizing agent?
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What is the oxidation number of bismuth in Bi2O3?
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In which of the following is the reactant undergoing oxidation? (Note: These reactions are not complete chemical equations.)
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Consider the following unbalanced equation between copper(I) ions and iron to produce copper metal and iron(II) ions: Cu+ + Fe → Cu + Fe2+ What is oxidized in this reaction?
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What is reduced in the following reaction? 2 Bi3+ + 3 Mg → 2 Bi + 3 Mg2+
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In the reaction Cu+ + Fe → Cu + Fe2+ (Note: The reaction is not balanced.)
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The carbon in C2H6O2 is ________ in the following reaction: C2H6O2 → C2H4O2 + H2
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The oxidation number of F-1 is
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Every reduction reaction MUST be accompanied by
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The oxidation number for l in l2 is
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With respect to energy content, reduced forms of matter are generally
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In which of the following is the reactant undergoing reduction? (Note: These reactions are not complete chemical equations.)
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In which of the following partial reactions is the reactant undergoing reduction? (Note: The reactions are not complete.)
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When C3H8 is burned in oxygen, the products are
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