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. What is the formula for alkenes?
CnH2n
Sulfur
Acidic solutions (Ex: [Fe(H2O)6]³? + H2O = Fe(H2O)5OH]²? + H3O?)
methyl formate

2. Alkanes are _________ and react by _________
+4-covalent - +2-ionic
S2O3²?
it is lower and occurs over less sharp a range
Saturated - Substitution (which requires more radical conditions)

3. bromothymol
Orange
'non-active' metals such as Cu - Ag - Au - Pt - etc.
blue (BTB)
Pour liquids using a funnel or down a glass rod

4. Which would cause the bulb in a conductivity apparatus to be brightest?
All except for lithium
But S° of element is not zero (except at 0K)
zero
0.10M HCl (more ions)

5. What is the formula of butane?
C4H10
metal oxides and hydrides are ionically bonded and basic
OH- and NH3
Products - reactants (except for BDE when it's reactants - products)

6. What is the conjugate base of NH3?
Check for air bubbles in the buret and remove the buret funnel from the buret
+4 and +2 (+4 dominates top of group and +2 at bottom of group)
NH2?
Conjugate pair (one must be a weak base or acid)

7. What does a short - sharp melting point indicate?
The one with most oxygen atoms (highest oxidation number)
Identity and purity (impure compounds usually have broad & low melting points)
Mention effective nuclear charge (shielding) and distance of outer electrons from the nucleus
acids

8. What are the formulas for q?
Soluble except Ag - Pb - Ca - Sr Ba)
Transition element compounds (except if it has a full or empty d shell)
HNO3 - (nitric) H2SO4 -(sulfuric) HCl -(hydrochloric) HBr -(hydrobromic) HI - (hydroiodic) HClO4 (perchloric)
q=mc?T q=mL (or n x ?h)

9. What are the signs of ?G and E° for spontaneous reactions?
?G=negative - E° must be positive
Exothermic
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
To ensure Ptot = Plab and that Pgas = Ptot-PH2O

10. What are the prefixes for the naming of binary molecular compound formulas (up to six)
Mono; di; tri; tetra; penta; hexa.
?H formation of an element in standard state=0
Two amino acids joined together; many amino acids joined together; lots of amino acids joined together
ROH

11. Does the electrolyte with the lowest Ksp value have to be the least soluble? Why?
Mono; di; tri; tetra; penta; hexa.
|experimental - accepted|/accepted X 100
ion pairing
No - it depends on the number of ions produced on dissolving.

12. Does reactivity increase/decrease going down group 1 and group 17?
Glacial acetic acid
same KE - but PEice<PEwater
look for changes in oxidation # - the one that goes up is oxidized and is the RA
Increases down group 1 decreases down group 17

13. What is the catalyst for this reaction Ester + ?
catalyst=conc H2SO4
Combine the equations for the half reactions in the non-spontaneous direction
no - they're written undissociated (HAaq)
non-metal oxides and hydrides are covalently bonded and are acidic.

14. Acid plus base make?
Salt + water.
Exothermic
Ions go through the salt bridge - electrons go through metal wires in the external circuit
Mono; di; tri; tetra; penta; hexa.

15. What is the general formula for alkyl halides?
Reverse most negative E° and add voltages to get Ecell (or take absolute difference between Ered values)
RCOOR
Clear
RX

16. chromate
At half equivalence - pH=pKa
CrO4²?
No effect on Voltage (hetero) but will increase current possible (surface area increases rate of reaction)
States related to IMF magnitude (dispersion) - iodine-silvery grey solid - chlorine-yellowish green gas - bromine-brown volatile liquid - poisonous and reactive - good oxidizing agents -

17. How does benzene compare in reactivity to alkenes?
Two forms of the same element (same Z) with different # of neutrons and similar chemical properties
benzene is less reactive than alkenes
[A?]/[HA] x 100 or [BH?]/[B] x 100
No effect on Voltage (hetero) but will increase current possible (surface area increases rate of reaction)

18. What is the relationship between Rate and Molar Mass for two gases? Velocity and Temperature? Energy and Temperature?
ROH
r1/r2=(M2/M1)^½ - v1/v2=(T1/T2)^½ - E1/E2=T1/T2
A salt solution.
linear

19. 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.
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)
All except for lithium
Insoluble except for nitrate and acetate

20. What does saturated mean? Unsaturated?
Monomer + monomer = polymer product + a simple molecule such as water or HCl
Products - reactants (except for BDE when it's reactants - products)
Hg2²?
Saturated organic compounds contain single bonds in their carbon skeleton. Unsaturated have at least one double or triple bond.

21. What do acids plus active metals form?
zero
Hydrogen (active metals are metals with more negative reduction potentials in E° chart)
White precipitate
Current - time and charge on ion (moles of e used in half cell reaction)

22. silver compounds
RCHO (carbonyl at end)
proton acceptor.
Insoluble except for nitrate and acetate
different forms of the same element

23. What is the general formula for an aldehyde?
redox reaction
RCHO (carbonyl at end)
hydroxides (ex: Ba(OH)2)
brown volatile liquid

24. acetates
T increases exponentially the proportion of molecules with E > Ea
diamond and graphite
Soluble
S2O3²?

25. How does the melting point of a mixture compare to the MP of a pure substance?
ns² electrons (first in-first out)
it is lower and occurs over less sharp a range
Group 1 hydroxides (ex: NaOH)
a-IMFs - b-molecular volume

26. What apparatus do you use to pour liquids?
RCOOH
CO2 and H2O
Pour liquids using a funnel or down a glass rod
Add acid to water so that the acid doesn't boil and spit

27. For what types of substances does the solid/liquid equilibrium line on a phase diagram slope LEFT?
A substance that can act as an acid or a base. ex. water - HCO3? ion etc.
water and substances with (s) less dense than
Acidic is when [H?] > [OH?] - basic is when [H?] < [OH?] - acidic is when [H?] = [OH?]
diamond and graphite

28. What are isotopes?
Two forms of the same element (same Z) with different # of neutrons and similar chemical properties
?H formation of an element in standard state=0
Pipette (burette if need repetition)
yellow

29. If a weak acid is diluted more - what happens to its % dissociation value?
Increases.
Clear
Good catalysts - form multiple oxidation states - often paramagnetic - good structural metals - form a host of alloys (similar sized atoms) - have similar I energies (inner filling)
Salt - Carbon dioxide and water.(latter also known as carbonic acid H2CO3)

30. What type of compounds are almost always colored?
K2
Transition element compounds (except if it has a full or empty d shell)
HNO3 - (nitric) H2SO4 -(sulfuric) HCl -(hydrochloric) HBr -(hydrobromic) HI - (hydroiodic) HClO4 (perchloric)
Q=It (time in seconds)

31. ________ are Lewis bases - because they can donate a lone pair of electrons.
Salt + water
MnO4?
OH- and NH3
At half equivalence - pH=pKa

32. What is Ksp in terms of molar solubility ('s') for an electrolyte AB?
HClO4
No effect on Voltage (hetero) but will increase current possible (surface area increases rate of reaction)
proton donor base
Ksp = s²

33. What is the sign of the cathode in voltaic cells? in electrolytic cells?
Cr2O7²?
voltaic: + electrolytic: -
Sulfur
H+

34. What is the general formula for an alcohol?
CrO4²?
Two forms of the same element (same Z) with different # of neutrons and similar chemical properties
ROH
H2O + CO2 (it decomposes readily)

35. What process do you use to obtain the solute from a solution?
Tetrahedral
A salt solution.
Evaporation
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.

36. Group 14 shows non-metal and metal characteristics. What two oxidation states do the elements in group 14 exist in?
+4 and +2 (+4 dominates top of group and +2 at bottom of group)
benzene has a delocalized pi ring structure
Glowing splint (positive result=relights)
basic

37. What is an Alkyl group?

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

38. What is the hybridization for a given atom with four single bonds? one double and two single bonds? two double bonds? one triple and one single bond? two single bonds and two lone pairs? three single bonds and one lone pair?
An active metal.
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
Ppt will NOT form (unsaturated)
Cold beaker=endothermic - ?H=positive (hot beaker=exothermic - ?H=negative)

39. What are the products for these common oxidizing agents? MnO4? - CrO4²? - Cr2O7²?
Mn²? - Cr³? - Cr³
Reverse most negative E° and add voltages to get Ecell (or take absolute difference between Ered values)
S crystal at 0K=0
Trigonal pyramidal

40. What process do you use to obtain the precipitate from a solution?
Filtration
CnH2n
S crystal at 0K=0
Ionic compounds

41. A geometric (or cis-trans) isomer exists due to.....
Lack of rotation of groups around a double bond. (cis has groups on same side - trans on opposite sides)
Salt and water
WA/SB: pH>7 SA/WB: pH<7 SA/SB: pH=7
S2O3²?

42. What shape is ammonia?
Trigonal pyramidal
The dilution effect when the solutions mix. M1V1 = M2V2
Anode
Increases for endo - (becomes more soluble) decreases (becomes less soluble) for exo.

43. Colorless doesn't mean ______
Clear
Combine: multiply Keq - reverse: 1/Keq - Halve coefficients: Keq^(1/2)
They decrease (or could be the same if the solid has ONLY JUST disappeared)
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

44. What is the relative solubility of CO2 - HCl - NH3 - NO2 - O2 - and SO2?
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
Oxides that react with both acids (make salts + water) AND bases (forms complex ion - ex: ZnO and Al2O3 in bases make Zn(OH)4²? and Al(OH)4? or Al(OH)6³?)
NO2 and SO2 are very soluble - CO2 and O2 are somewhat soluble
NO3?

45. sulfates
Big K=kf/kr
Soluble except Ag - Pb - Ca - Sr Ba)
Clear
Disulfur dichloride

46. When a cell is 'flat' What is its voltage?
Lack of rotation of groups around a double bond. (cis has groups on same side - trans on opposite sides)
Molecules with the same molecular formulas - but different structural formulas
zero
0.10M HCl (more ions)

47. Ca - Sr - Ba
hydroxides (ex: Ba(OH)2)
OH?
The Faraday or Faraday's constant.
Ksp = 27s4

48. Acids + Carbonates (bicarbonates) make?
Time?¹ - (ex. s?¹ - hr?¹ - etc)
Alkali ion - OH? - and H2 (phenolphthalein goes pink - thus 'alkali' metals)
An active metal.
Salt - Carbon dioxide and water.(latter also known as carbonic acid H2CO3)

49. How does the melting point of a mixture compare to the MP of a pure substance?

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

50. What can form during the combustion of hydrocarbons in a limited supply of oxygen?
Acidified
OH- and NH3
brown volatile liquid
CO (poisonous)

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