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. iodine - iodine solution - iodine vapor
K1 x K2
Ionic compounds
Unsaturated - addition (ex: decolorize bromine solution)
Silvery gray solid - brown - purple

2. acetates
Salt and water
RCOOH
Soluble
It ceases - the circuit is broken.

3. What do group I/II metal oxides plus water form?
blue (BTB)
bases
Greenish-yellow gas
Group 1 hydroxides (ex: NaOH)

4. When a cell is 'flat' a.k.a 'reached equilibrium' - what is its ?G value?
oxidizing - (F2 is the best) - reducing (ex: Li - Na).
Anode
zero
Saturated organic compounds contain single bonds in their carbon skeleton. Unsaturated have at least one double or triple bond.

5. What are the formulas for q?
Primary alcohols are partially oxidized to aldehydes and then totally oxidized to acids (wine to vinegar)
Molecules with the same molecular formulas - but different structural formulas
catalyst=conc H2SO4
q=mc?T q=mL (or n x ?h)

6. What is the general formula for an ester?
RCOOR
States related to IMF magnitude (dispersion) - iodine-silvery grey solid - chlorine-yellowish green gas - bromine-brown volatile liquid - poisonous and reactive - good oxidizing agents -
1. Rinse the buret/pipette with deionized water - 2. Rinse the buret/pipette with the solution you plan on filling the buret/pipette with.
Heat to constant mass-weigh - reheat - cool - and weigh again until mass is constant

7. What is the sign of the anode in voltaic cells? in electrolytic cells?
They decrease (or could be the same if the solid has ONLY JUST disappeared)
Ksp = 108s5
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
voltaic: - electrolytic: +

8. A Bronsted-Lowry base is...
CO (poisonous)
proton acceptor.
hydroxides (ex: Ba(OH)2)
Both electrons come from the same atom (just as good as a regular bond)

9. In equilibrium calculations for weak acids/bases - when should you ignore 'x' with respect to initial concentration of acid or base

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

10. What are the units of the first order rate constant?
it's lower and occurs over less sharp a range
Time?¹ - (ex. s?¹ - hr?¹ - etc)
ClO2?
HClO4

11. What is Ksp in terms of molar solubility ('s') for an electrolyte AB?
Read the bottom of the meniscus
Ksp = s²
neutralization: high K - H2O product dissociation: low K - H2O reactant
CO2 and H2O

12. What is the general formula for a ketone?
Insoluble (except group 1 ammonium and Ba)
RCOR
voltaic: + electrolytic: -
-Ea/R

13. What is the second law of thermodynamics?
-Ea/R
redox reaction
P2O5
Suniverse increases for spontaneous processes

14. phosphate
PO4³?
Nothing
it's lower and occurs over less sharp a range
are less dense than water

15. What part of a liquid do you look at to measure its volume?
Acid rain - dissolves marble buildings/statues and kills trees.
Read the bottom of the meniscus
Transition element compounds (except if it has a full or empty d shell)
zero-th: decreases - first: constant - second: increases

16. What reacts with an acid to create hydrogen gas?
An active metal.
Increase - the dissociation of water is endothermic so increasing T favors forward direction - thus more ions.
10?8
Distillation

17. State whether K is high or low and whether H2O a product or reactant for the following reactions: a) neutralization. b) dissociation in water.
No - NH3 and HCl gases are extremely soluble
RCOOH
A) any range. b) 8-10 c) 4-6
neutralization: high K - H2O product dissociation: low K - H2O reactant

18. What is the general formula for alkyl halides?
Heat to constant mass-weigh - reheat - cool - and weigh again until mass is constant
Clear
same KE - but PEice<PEwater
RX

19. What do metal oxides plus non- metal oxides form?
Potassium permanganate and potassium dichromate (they're clues that a reaction will be redox)
Salts (ex: CaO + SO2 ? CaSO3)
Separating funnel
Heat to constant mass-weigh - reheat - cool - and weigh again until mass is constant

20. What do metal oxides plus acids form?
oxidizing - (F2 is the best) - reducing (ex: Li - Na).
fractional distillation
Salt + water
Insoluble except for nitrate and acetate

21. sulfate
C4H10
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
Iodine and CO2 (dry ice)
SO4²?

22. acetate
CH3COO?
Two amino acids joined together; many amino acids joined together; lots of amino acids joined together
same KE - but PEice<PEwater
proton acceptor.

23. What is the test for hydrogen?
Kc=Kp
C2O4²?
Increase - the dissociation of water is endothermic so increasing T favors forward direction - thus more ions.
lighted splint (positive result=pop)

24. 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

25. What are two allotropes of carbon?
Time?¹ - (ex. s?¹ - hr?¹ - etc)
no - they're written undissociated (HAaq)
diamond and graphite
NO2 and SO2 are very soluble - CO2 and O2 are somewhat soluble

26. Color is due to ______ _______ of light.
Pale purple - (orange)-yellow - red - blue - green.
?G= -ve - E°= +ve
Selective absorption
?H formation of an element in standard state=0

27. What do you use to look at burning magnesium? why?
blue glass - it filters UV
Ksp = 27s4
No effect on Voltage (hetero) but will increase current possible (surface area increases rate of reaction)
There's one normal boiling point (1 atm) - but many boiling points (P dependent)

28. What is the formula of copper (II) phosphate?
Meth - eth - prop - but - pent - hex - hept - oct - non - dec
Insoluble
The compound with the lowest Ksp value.
Cu3(PO4)2

29. Name some properties of Group 17
States related to IMF magnitude (dispersion) - iodine-silvery grey solid - chlorine-yellowish green gas - bromine-brown volatile liquid - poisonous and reactive - good oxidizing agents -
Big K=kf/kr
A substance that can act as an acid or a base. ex. water - HCO3? ion etc.
H2PO4?

30. What is the 'virtual' Ka for the complete dissociation of a dibasic acid?
Perform ICE BOX calculation based on K1
RCOR
K1 x K2
Add acid to water so that the acid doesn't boil and spit

31. If an electrolyte has an endothermic heat of solution - what will happen to its Ksp value when the temperature is raised? What about exothermic?
CnH2n+1 often designated 'R' ex C3H7 is propyl
Insoluble except for nitrate and acetate
Salt - Carbon dioxide and water.(latter also known as carbonic acid H2CO3)
Increases for endo - (becomes more soluble) decreases (becomes less soluble) for exo.

32. What are isotopes?
Current - time and charge on ion (moles of e used in half cell reaction)
Two forms of the same element (same Z) with different # of neutrons and similar chemical properties
No - it depends on the number of ions produced on dissolving.
Conjugate pair (one must be a weak base or acid)

33. Alkanes are _________ and react by _________
Saturated - Substitution (which requires more radical conditions)
CO3²?
CN?
Combine: multiply Keq - reverse: 1/Keq - Halve coefficients: Keq^(1/2)

34. Is the standard entropy (S°) of an element zero?
But S° of element is not zero (except at 0K)
acid + alcohol
Hg2²?
The Faraday or Faraday's constant.

35. lead iodide
fractional distillation
Making sigma bonds and holding lone pairs
bright yellow
Exothermic

36. For what types of substances does the solid/liquid equilibrium line on a phase diagram slope LEFT?
water and substances with (s) less dense than
linear
?G is zero at equilibrium when spontaneity is the same in either direction (K=1)
Time?¹ - (ex. s?¹ - hr?¹ - etc)

37. lead compounds
Insoluble except nitrate and acetate
bright yellow
Glowing splint (positive result=relights)
Insoluble except for nitrate and acetate

38. What do nonmetal oxides plus water form?
Ksp = s²
acids
Ignore 'x' if its K is very small compared to [reactant] (5% rule)
E=q + w (negative is by system - positive is on system)

39. What is the test for oxygen?
ns² electrons (first in-first out)
CnH(2n+2)
Glowing splint (positive result=relights)
Increases down group 1 decreases down group 17

40. cyanide
A salt solution.
Most INsoluble except group 1 and ammonium
CN?
K2

41. How do you get Ecell for spontaneous reactions?
lighted splint (positive result=pop)
ROR
Reverse most negative E° and add voltages to get Ecell (or take absolute difference between Ered values)
Increases down group 1 decreases down group 17

42. When driving off water from a hydrate - how do you tell you're done?
benzene has a delocalized pi ring structure
The Faraday or Faraday's constant.
Heat to constant mass-weigh - reheat - cool - and weigh again until mass is constant
different forms of the same element

43. Acids + Carbonates (bicarbonates) make?
OH- and NH3
Heptane
it reacts by substitution NOT addition
Salt - Carbon dioxide and water.(latter also known as carbonic acid H2CO3)

44. What is Ksp in terms of molar solubility ('s') for an electrolyte A2B3 A3B2?
Iodine and CO2 (dry ice)
Ksp = 108s5
zero
White precipitate

45. chlorate
|experimental - accepted|/accepted X 100
H2O + CO2 (it decomposes readily)
ClO3?
Insoluble except group 1 and ammonium

46. What do acids plus active metals form?
do not change
Pour liquids using a funnel or down a glass rod
Hydrogen (active metals are metals with more negative reduction potentials in E° chart)
acids

47. ____ is a Lewis acid - since it can accept a lone pair - completing its stable form - which requires two electrons.
H+
|experimental - accepted|/accepted X 100
fractional distillation
WA/SB: pH>7 SA/WB: pH<7 SA/SB: pH=7

48. What is the relationship between Rate and Molar Mass for two gases? Velocity and Temperature? Energy and Temperature?
To ensure Ptot = Plab and that Pgas = Ptot-PH2O
same KE - but PEice<PEwater
Concentration
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2

49. How do you get the equation for a net electrolysis reaction?
Acidic is when [H?] > [OH?] - basic is when [H?] < [OH?] - acidic is when [H?] = [OH?]
Combine the equations for the half reactions in the non-spontaneous direction
zero
RCOOH

50. How are metal oxides and hydrides bonded? are they acidic or basic?
Silvery gray solid - brown - purple
Big K=kf/kr
All single: sp³ - one double: sp² - two doubles: sp - one triple: sp - two single and two lone pairs: sp³ - three single and one lone pair: sp³
metal oxides and hydrides are ionically bonded and basic

Sorry!:) No result found.

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

Sorry!:) No result found.

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