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Elementary,Middle School,High School,College,University,PHD
Teaching Since: | Apr 2017 |
Last Sign in: | 235 Weeks Ago |
Questions Answered: | 12843 |
Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
4) Question 4
Which of the following is/are true about oxidation-reduction reactions?
a.They involve a full or partial transfer of electrons from one reactant to another.
b.Oxidation and reduction must both occur in the same reaction.
c.Oxygen must be involved in the reaction, either in a compound or in its elemental state.
d.all of the above
e.both a and b.
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5)Question 5
What is occurring in the following half-reaction?
Cr → Cr3+ + 3e-
a.Oxidation
b.ReductionÂ
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6)Question 6
What is occurring in the following half-reaction?
K+ + e- → K
a.OxidationÂ
b.ReductionÂ
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