
Homework 2 - Balancing Redox Equations - Grade 12 - W3
Authored by Tariq Ezz
Chemistry
12th Grade
NGSS covered
Used 16+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the oxidation half-reaction for the following redox reaction?
Zn + HgO ZnO + Hg
Zn Zn2+ + 2e–
Hg2+ + 2e– Hg
Zn + HgO
ZnO + Hg
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the reduction half-reaction for the following redox reaction?
Zn + HgO ZnO + Hg
Zn Zn2+ 2e–
Hg2+ + 2e– Hg
Zn + HgO
ZnO + Hg
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When an element undergoes combustion and loses electrons, the element is
oxidized
reduced
neutralized
dissolved
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Both positive and negative charges arise in redox reactions, but the only particles that move from one reactant to another are
hydrogen atoms.
protons
electrons
oxygen atoms.
Tags
NGSS.HS-PS3-5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The titration of an acidic solution of FeSO4 with KMnO4, which produces Mn2+ ions and Fe3+ ions, is a(n)
acid-base reaction.
redox reaction.
neutralization reaction.
disproportionation reaction.
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