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Net Ionic Equations

Authored by Mary Coogan

Chemistry

10th - 12th Grade

NGSS covered

Used 1K+ times

Net Ionic Equations
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This quiz focuses on net ionic equations and oxidation-reduction (redox) chemistry, representing core concepts typically taught in high school chemistry at the 10th to 12th grade level. Students must demonstrate mastery of precipitation reactions, solubility rules, spectator ion identification, oxidation number assignment, and redox processes. The questions require students to predict products of double displacement reactions, determine which compounds are soluble or insoluble based on established solubility rules, write correct net ionic equations by eliminating spectator ions, and identify oxidation and reduction processes by tracking electron transfer. Students need a solid understanding of ionic compounds, chemical formulas, balanced equations, and the ability to apply oxidation number rules to complex polyatomic ions and compounds. The material builds on foundational knowledge of chemical bonding and nomenclature while developing critical thinking skills for predicting chemical behavior. Created by Mary Coogan, a Chemistry teacher in the US who teaches grades 10 and 12. This quiz serves as an excellent formative assessment tool for evaluating student understanding of precipitation reactions and redox chemistry before moving to more advanced topics like electrochemistry or thermodynamics. Teachers can use this as a warm-up activity to activate prior knowledge, assign it as homework to reinforce classroom instruction, or implement it as a review session before unit exams. The variety of question types allows students to practice different aspects of ionic chemistry, from basic solubility predictions to more complex oxidation number calculations. This assessment aligns with NGSS HS-PS1-2 (constructing explanations for chemical reactions based on outermost electron states) and supports Common Core mathematical practices through systematic problem-solving approaches in chemistry contexts.

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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

sodium nitrate 
lead (II) chloride 
sodium lead
chloride nitrate 

Tags

NGSS.HS-PS1-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?

Ca2+(aq) +  2Cl- (aq) → CaCl(s)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
Ag +  Cl  →  AgCl
Ag+  +  Ca2+   →Ag2Ca (s)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following does NOT form a precipitate?

Pb(NO3)2(aq) + 2KI(aq) 
Sr(NO3)2 (aq) + K2SO4(aq) →
AgNO3(aq) + Na2S(aq) →
 Pb(NO3)2(aq) + AgNO3(aq) →

Tags

NGSS.HS-PS1-3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

silver and nitrate
sodium and chloride
sodium and nitrate
silver and chloride

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction
2Ca(s) + O2(g) 
→ 2CaO(s), calcium is...

Reduced
Synthesized
Oxidized
None of the above

Tags

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the reaction Zn + H2O → ZnO2 + H2 which element is oxidized? 

Zinc
Hydrogen
Oxygen
None

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What substance is oxidized in the following reaction? 
Fe+2 + MnO4  → Fe+3 + Mn+2   

Fe+2
Mn+3
Mn+2
MnO4

Tags

NGSS.HS-PS1-2

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