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Chemical Reactions for AP Exams

Master Chemical Reactions for AP Exams with focused practice questions, exam-specific revision, and review loops.

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Practice Questions

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Q1
Medium Practice Question

In the neutralization HCl(aq)+NaOH(aq)→NaCl(aq)+H2O(l), which ions are spectators?

Q2
Medium Practice Question

In Zn(s)+Cu^2+(aq)→Zn^2+(aq)+Cu(s), which species is the oxidizing agent?

Q3
Medium Practice Question

What is the oxidation number of sulfur in SO4^2-?

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Q4
Medium Practice Question

A reaction has a theoretical yield of 10.0 g and an actual yield of 8.0 g. What is the percent yield?

Q5
Easy Practice Question

For 2H2+O2→2H2O, what mass of H2O can form from 2.00 mol H2 when O2 is excess? Use 18.0 g/mol for H2O.

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Q6
Easy Practice Question

For 2H2+O2→2H2O, a mixture contains 4.0 mol H2 and 3.0 mol O2. Which reactant is limiting?

Q7
Easy Practice Question

For 2H2(g)+O2(g)→2H2O(g), how many moles of O2 are required to react completely with 5.0 mol H2?

Q8
Easy Practice Question

The reaction Pb(NO3)2(aq)+2KI(aq)→PbI2(s)+2KNO3(aq) is best classified as:

Q9
Easy Practice Question

What is the net ionic equation when aqueous AgNO3 and NaCl are mixed?

Q10
Easy Practice Question

Which coefficients balance C3H8 + O2 → CO2 + H2O?

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Chemical Reactions is part of the AP Chemistry preparation path for AP Exams.

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