Test your basic knowledge |

AP Chemistry 2

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Is the ?H formation of an element in standard state zero?
chemically (ex: with carbon)
Soluble
?H formation of an element in standard state=0
Acid rain - dissolves marble buildings/statues and kills trees.

2. When can supercooling occur? What does it look like on a cooling curve?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

3. When combining half equations - what do you do to E° values when multiplying coefficients?
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
a-IMFs - b-molecular volume
Separating funnel
Nothing

4. silver compounds
Saturated organic compounds contain single bonds in their carbon skeleton. Unsaturated have at least one double or triple bond.
RX
Insoluble except for nitrate and acetate
linear

5. ____ is a Lewis acid - since it can accept a lone pair - completing its stable form - which requires two electrons.
H+
A) any range. b) 8-10 c) 4-6
Acidic is when [H?] > [OH?] - basic is when [H?] < [OH?] - acidic is when [H?] = [OH?]
Synthetic condensation polymer (aka a polyamide)

6. halides
Perform ICE BOX calculation based on K1
K1 x K2
Most are soluble except Ag - Pb
it's lower and occurs over less sharp a range

7. What is the energy you must put into a reaction to make it start called?
Ionic compounds
CnH2n+1 often designated 'R' ex C3H7 is propyl
Initiation energy (NOT Ea)
E=q + w (negative is by system - positive is on system)

8. nitrate
#ligands=charge x2
NO3?
Cold beaker=endothermic - ?H=positive (hot beaker=exothermic - ?H=negative)
White precipitate

9. What range of indicator would you use for the following titrations. a) s.a. + s.b. b) w.a. + s.b. c) w.b. + s.a.
Acid spill-NaHCO3 (baking soda) base spill-acetic acid (vinegar)
No - it depends on the number of ions produced on dissolving.
They have high ionization energies (due to high nuclear charge and no shielding) and cannot add electrons due to full valence shell
A) any range. b) 8-10 c) 4-6

10. For a dibasic acid (H2A) - [A²?]= ____ ?
K2
PO4³?
Acids; HCOOCH3 is an ester
bright yellow

11. What is the conjugate acid of H2PO4?
H3PO4
Alkali ion - OH? - and H2 (phenolphthalein goes pink - thus 'alkali' metals)
R=8.31 J/mol/K
Experimental mass/theoretical mass X 100

12. How does the KE and PE of ice at 0°C compare to the KE and PE of water at 0°C?
Separating funnel
different forms of the same element
same KE - but PEice<PEwater
CO (poisonous)

13. To decide if a ppt forms when solutions are mixed - what is the first thing you have to remember?
At half equivalence - pH=pKa
The dilution effect when the solutions mix. M1V1 = M2V2
A) any range. b) 8-10 c) 4-6
Insoluble except nitrate and acetate

14. Are weak acids (and bases) written dissociated?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

15. What does a short - sharp melting point indicate?
CrO4²?
K1 x K2
Acidified
Identity and purity (impure compounds usually have broad & low melting points)

16. Metal hydrides are _____ and form _______ and _______ when added to water
A monomer with a double bond OR two monomers with an arrangement of FGs that allows them to react repeatedly with one another (ex. OH and COOH)
ionic and form hydrogen and hydroxide
Combine the equations for the half reactions in the non-spontaneous direction
Saturated organic compounds contain single bonds in their carbon skeleton. Unsaturated have at least one double or triple bond.

17. What steps do organic labs consist of?
Sulfur
CH3COO?
Synthesis - separation and purification of the product and its identification.
catalyst=conc H2SO4

18. What happens to the ion concentrations of a saturated solution when it is diluted and allowed to reach equilibrium - with solid solute still present?
-Ea/R
Optical isomers contain at least one chiral (asymmetric) C atom which is a C atom that has four different groups attached to it.
They stay the same.
n(unsaturated monomer) = polymer (no loss in material) ex. n(C2H4) = (C2H4)n (polyethylene)

19. Color (absorbance) is proportional to ________
Molecules with the same molecular formulas - but different structural formulas
E=q + w (negative is by system - positive is on system)
Concentration
They decrease (or could be the same if the solid has ONLY JUST disappeared)

20. Ca - Sr - Ba
Increases down group 1 decreases down group 17
NO3?
hydroxides (ex: Ba(OH)2)
diamond and graphite

21. mercury (II) ion
an oxidized and reduced substance
hydroxides (ex: Ba(OH)2)
Soluble
Hg²?

22. When driving off water from a hydrate - how do you tell you're done?
Salt - Carbon dioxide and water.(latter also known as carbonic acid H2CO3)
Heat to constant mass-weigh - reheat - cool - and weigh again until mass is constant
NO3?
non-metal oxides and hydrides are covalently bonded and are acidic.

23. chlorate
ClO3?
Products - reactants (except for BDE when it's reactants - products)
voltaic: - electrolytic: +
How grouped results are

24. Do anions flow to the cathode or anode?
Anode
PO4³?
?G=negative - E° must be positive
Primary alcohols are partially oxidized to aldehydes and then totally oxidized to acids (wine to vinegar)

25. What is precision?
NO2 and SO2 are very soluble - CO2 and O2 are somewhat soluble
How grouped results are
No - it depends on the number of ions produced on dissolving.
Trigonal pyramidal

26. Esters smell like _______ and amines smell like _______ and are ______.
NO2 and SO2 are very soluble - CO2 and O2 are somewhat soluble
fruit - fish - bases
Saturated - Substitution (which requires more radical conditions)
ethers

27. What are the signs for ?G and E° for spontaneous reactions?
boiling without losing volatile solvents/reactants
Making sigma bonds and holding lone pairs
?G= -ve - E°= +ve
Ions go through the salt bridge - electrons go through metal wires in the external circuit

28. If an electrolyte has an endothermic heat of solution - what will happen to its Ksp value when the temperature is raised? What about exothermic?
Anode - oxygen. Cathode - hydrogen
Group I metals (soft metals) are stored under oil
water and substances with (s) less dense than
Increases for endo - (becomes more soluble) decreases (becomes less soluble) for exo.

29. What is the general formula for an ester?
ClO3?
Insoluble
RCOOR
catalyst=conc H2SO4

30. What do hydrocarbons form when they burn in air (oxygen)?
Conjugate pair (one must be a weak base or acid)
CO2 and H2O
WA/SB: pH>7 SA/WB: pH<7 SA/SB: pH=7
OH- and NH3

31. What do you do to get rid of most of the solution from a precipitate?
atoms
Decant
Acids; HCOOCH3 is an ester
+4-covalent - +2-ionic

32. What is the sign of the anode in voltaic cells? in electrolytic cells?
Selective absorption
CO (poisonous)
H2O + CO2 (it decomposes readily)
voltaic: - electrolytic: +

33. What is Ksp in terms of molar solubility ('s') for an electrolyte A2B3 A3B2?
Temperature increase the endothermic k more (hence increasing T moves equilibrium in the endothermic direction)
Ksp = 108s5
Supercooling can occur when cooling a solvent or solution. It occurs when there's a dip and then a rise back up to the melting point on a cooling curve.
Ksp = s²

34. What does the solubility of organic compounds depend on?
Hg²?
Soluble
same KE - but PEice<PEwater
Whether or not they can form H-bonds with water (ex: Ethyl alcohol is soluble but dimethyl ether is not)

35. What are two allotropes of carbon?
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
diamond and graphite
Only temperature
Ppt will NOT form (unsaturated)

36. What things should you remember to do when collecting gas over water?
allow for the vapor pressure of water and make sure to level levels
Heat a test tube at an angle at the side of the tube (not bottom)
ethers
Insoluble (except group 1 ammonium and Ba)

37. acetates
atoms
Soluble
Conjugate pair (one must be a weak base or acid)
There's one normal boiling point (1 atm) - but many boiling points (P dependent)

38. ammonium
1. Rinse the buret/pipette with deionized water - 2. Rinse the buret/pipette with the solution you plan on filling the buret/pipette with.
benzene is less reactive than alkenes
NO2 and SO2 are very soluble - CO2 and O2 are somewhat soluble
NH4?

39. Alkanes are _________ and react by _________
Saturated - Substitution (which requires more radical conditions)
same KE - but PEice<PEwater
Experimental mass/theoretical mass X 100
Silvery gray solid - brown - purple

40. What complex ion does ammonia form with silver? copper? cadmium? zinc?
methyl formate
[Ag(NH3)2]? - [Cu(NH3)4]²? - [Cd(NH3)4]²? - [Zn(NH3)4]²?
No - it depends on the number of ions produced on dissolving.
Group 1 hydroxides (ex: NaOH)

41. iodine - iodine solution - iodine vapor
it is lower and occurs over less sharp a range
Transition element compounds (except if it has a full or empty d shell)
do not change
Silvery gray solid - brown - purple

42. What apparatus do you use to pour liquids?
Silvery gray solid - brown - purple
Pour liquids using a funnel or down a glass rod
Evaporation
AgF-soluble in water - other silver halides insoluble in water - AgCl-soluble in excess ammonia - AgBr-somewhat soluble - AgI (yellow)-somewhat soluble in excess ammonia

43. hydroxide
OH?
RCOOR
Check for air bubbles in the buret and remove the buret funnel from the buret
A monomer with a double bond OR two monomers with an arrangement of FGs that allows them to react repeatedly with one another (ex. OH and COOH)

44. perchlorate
ClO4?
Insoluble (except group 1 ammonium and Ba)
Decant
10?8

45. What is the basic structure of an optical isomer?
Optical isomers contain at least one chiral (asymmetric) C atom which is a C atom that has four different groups attached to it.
Clear
|experimental - accepted|/accepted X 100
Acidic solutions (Ex: [Fe(H2O)6]³? + H2O = Fe(H2O)5OH]²? + H3O?)

46. One mole of electrons carries 96500Coulombs - what is this quantity called?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

47. lead compounds
fruit - fish - bases
bases
Equivalence point is the titrant volume when the moles of acid and base are stoichiometrically equal; end point is the titrant volume when the color of the indicator permanently changes. If you choose the correct indicator - they should occur at the
Insoluble except nitrate and acetate

48. What process do you use to separate two liquids with different boiling points?
+4 and +2 (+4 dominates top of group and +2 at bottom of group)
chemically (ex: with carbon)
Molecules with the same molecular formulas - but different structural formulas
fractional distillation

49. What do group I/II metal oxides and acids form?
H2PO4?
MnO4?
same KE - but PEice<PEwater
Salt and water

50. Which value of R do you use for all energy and kinetics calculations?
K2
But S° of element is not zero (except at 0K)
R=8.31 J/mol/K
Insoluble except nitrate and acetate

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

AP Chemistry 2

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests