Question Not yet answered Points out of 1.00 Correctly complete the sentence usi

Question

Question Not yet answered Points out of 1.00 Correctly complete the sentence using the following words: loses, gains A reduction half-reaction oxidation half-reaction electrons. An electrons Flag question Question 2 Not yet answered Which of the following describes an oxidation half reaction? Select all that apply. Points out of 1.00 Select one or more: a. Cu (s) -Cu2+ +2 e Flag question b. Copper loses 2 electrons c. Coppers oxidation number decreases d. Copper gains 2 electrons e. Cu2+ +2 e-> Cu (s) f. Coppers oxidation number increases

Explanation / Answer

Q1

A chemical reaction lose of electrons are takes place is called oxidation.

A chemical reaction gain of electrons are takes place is called reduction .

A reduction half reaction gains      electrons . An oxidation half reaction loses           electrons.

Q2. A chemical reaction lose of electrons are takes place and oxidation number is increases is called oxidation reaction.

a.Cu-----------> Cu^2+ + 2e^-

b. copper loses two electrons

f.coppers oxidation number increases

  

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