AP Chemistry Exam Practice Test 2022(Quiz): Question Answers. Advanced Placement Chemistry examinations (AP Chemistry exams) online quiz will help your exam prep better. Questions from Accessible, engaging subject review, from atomic structure to thermodynamics. Practice questions in every chapter.
AP Chemistry Exam Practice Test 2022
The multiple-choice questions will provide you with practice on questions similar to those asked on past AP exams. These are not the exact questions, but ones that will focus you on the key AP Chemistry topics.
Test Name | AP Chemistry |
Test Type | CBT |
Total Questions | 30 |
Type of question | sample |
Time limit | 30 Minutes |
Answers | Available |
Printable PDF | upload soon |
Test Authority | The College Board |
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AP Chemistry Practice Test 2
Total Questions: 30
Time Limit: 45 Minutes
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Question 1 of 30
1. Question
1 pointsWhich molecule or ion in the following list has the greatest number of unshared electron pairs around the central atom?
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Question 2 of 30
2. Question
1 pointsWhat types of hybridization of carbon are in the compound acetic acid, CH3COOH?
- I. sp3
- II. sp2
- III. sp
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Question 3 of 30
3. Question
1 pointsThe critical point on a phase diagram represents
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Question 4 of 30
4. Question
1 pointsThis is why acetic acid molecules exist as dimers in the gaseous phase
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Question 5 of 30
5. Question
1 pointsWhich point on the following diagram represents the triple point?
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Question 6 of 30
6. Question
1 pointsA solution is prepared by dissolving 0.500 mol of NaCl in 500.0 g of water. Which of the following would be the best procedure to determine the molarity of the solution?
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Question 7 of 30
7. Question
1 pointsA chemist needs 800 mL of a 0.50 M bromide ion, Br −, solution. She has 800 mL of a 0.20 MKBr solution. How many moles of solid MgBr2 will she need to add to increase the concentration to the desired value?
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Question 8 of 30
8. Question
1 pointsA solution of pentane, C5H12, in carbon tetrachloride, CCl4, is nearly ideal. The vapor pressure of pentane is 450 mm Hg at 20°C, and the vapor pressure of carbon tetrachloride is 87 mm Hg at this temperature. What is the mole fraction of carbon tetrachloride in the vapor over an equimolar solution of these two liquids?
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Question 9 of 30
9. Question
1 pointsHow many grams of HNO3 (molecular weight 63.0) are in 500.0 mL of a 5.00 M solution?
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Question 10 of 30
10. Question
1 pointsWhich of the following aqueous solutions would have the greatest freezing point depression?
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Question 11 of 30
11. Question
1 pointsStep 1: 2 NO2(g) → N2(g) + 2 O2(g)
Step 2: 2 CO(g) + O2(g) → 2 CO2(g)
Step 3: N2(g) + O2(g) → 2 NO(g)The above represents a proposed mechanism for the reaction of NO2 with CO. What are the overall products of the reaction?
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Question 12 of 30
12. Question
1 pointsThe difference in energy between the transition state and the reactants is
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Question 13 of 30
13. Question
1 pointsThe table below gives the initial concentrations and rates for three experiments.
The reaction is 2ClO2(aq) + 2OH−(aq) → ClO2−(aq)+ ClO3−(aq) + H2O(l). What is the rate law for this reaction?
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Question 14 of 30
14. Question
1 pointsWhich of the following CANNOT behave as both a Brønsted base and a Brønsted acid?
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Question 15 of 30
15. Question
1 pointsA species, molecule, or ion is called a Lewis base if it does which of the following?
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Question 16 of 30
16. Question
1 pointsUsing the above information, choose the best answer for preparing a pH = 8.5 buffer.
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Question 17 of 30
17. Question
1 pointsWhat is the ionization constant, Ka, for a weak monoprotic acid if a 0.5-molar solution has a pH of 5.0?
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Question 18 of 30
18. Question
1 pointsDetermine the OH−(aq) concentration in 0.0010M pyridine (C5H5N) solution. (The Kb for pyridine is 9 × 10−9.)
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Question 19 of 30
19. Question
1 pointsWhat is the equilibrium constant for the above reaction? The successive acid dissociation constants for H2S are 9.5 × 10−8(Ka1) and 1 × 10−19
(Ka2). The Ksp, the solubility product constant, for SnS equals 1.0 × 10−25 -
Question 20 of 30
20. Question
1 pointsAn equilibrium mixture of the compounds is placed in a sealed container at 150°C. The amount of the product may be increased by which of the following changes?
I. Adding 1 mole of Ar(g) to the container
II. Increasing the volume of the container
III. Raising the temperature of the container -
Question 21 of 30
21. Question
1 pointsWhat is the coefficient of H+ when the above reaction is balanced?
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Question 22 of 30
22. Question
1 pointsHow many moles of Au may be deposited on the cathode when 0.60 Faradays of electricity is passed through a 1.0 M solution of Au3+?
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Question 23 of 30
23. Question
1 pointsThe reaction shown above was used in an electrolytic cell. The voltage measured for the cell was not equal to the calculated E° for the cell. This discrepancy could be caused by which of the following?
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Question 24 of 30
24. Question
1 pointsChoose the correct statement from the following list
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Question 25 of 30
25. Question
1 pointsIf a current of 0.60 amperes is passed through the electrolytic cell for 0.75 hours, how should you calculate the grams of S2O32− formed?
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Question 26 of 30
26. Question
1 pointsWhen
Ra decays, it emits 2 α particles, then a β particle, followed by an α particle. The resulting nucleus is:
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Question 27 of 30
27. Question
1 pointsWhich of the following lists the types of radiastion in the correct order of increasing penetrating power?
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Question 28 of 30
28. Question
1 points -
Question 29 of 30
29. Question
1 pointsAlkenes are hydrocarbons with the general formula CnH2n. If a 1.40-g sample of any alkene is combusted in excess oxygen, how many moles of water will form?
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Question 30 of 30
30. Question
1 pointsWhat type of compound is shown below?
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