AP Chemistry Diagnostic

31 Questions | Total Attempts: 420

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AP Chemistry Diagnostic

Welcome to the AP Chemistry Survival Pack Free Diagnostic Test. The test will identify your weaknesses when preparing for AP Chem exam. If you haven't purchased the Survival Pack, Get it Now.


Questions and Answers
  • 1. 
    The point of a phase diagram where the solid state, the liquid state, and the gas vapor state coexist is _________
    • A. 

      The pressure point

    • B. 

      The critical point

    • C. 

      The triple point

    • D. 

      The absolute zero point

    • E. 

      The double point

  • 2. 
    An example of an amorphous solid is:
    • A. 

      Mercury

    • B. 

      Gold

    • C. 

      Quartz

    • D. 

      Plastic

    • E. 

      Ice

  • 3. 
    What reaction below is not a REDOX reaction?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 4. 
    How many moles of O2 are required to oxidize 2 moles of CH3NH2 according to the reaction represented above?
    • A. 

      5/2 moles

    • B. 

      4 moles

    • C. 

      9/2 moles

    • D. 

      9 moles

    • E. 

      10 moles

  • 5. 
    When the above reaction is balanced with the lowest whole number coefficients, what is the coefficient for OH-?
    • A. 

      1

    • B. 

      2

    • C. 

      4

    • D. 

      5

    • E. 

      7

  • 6. 
    When the equation for the half-reaction above is balanced with the lowest wholenumber coefficients, the coefficient of H+ is
    • A. 

      2

    • B. 

      5

    • C. 

      6

    • D. 

      8

    • E. 

      12

  • 7. 
    Which of the following decreases on descending group 1 of the periodic table?
    • A. 

      Atomic size

    • B. 

      First ionization energy

    • C. 

      Number of protons

    • D. 

      Chemical reactivity

    • E. 

      Reducing power

  • 8. 
    Which of the following attributes is commonly associated with metals and metallic bonding?
    • A. 

      Metals are poor conductors of electricity

    • B. 

      Metals are good oxidizing agents Metals are good oxidizing agents

    • C. 

      Metals have relatively high ionization energies in their respective period

    • D. 

      All metals are paramagnetic

    • E. 

      Metallic bonding involves labile, delocalized electrons

  • 9. 
    If 2 moles of CH3CH2CHO is completely combusted in the presence of oxygen gas, how many moles of oxygen would be required?
    • A. 

      5/2 moles

    • B. 

      4 moles

    • C. 

      5 moles

    • D. 

      9/2 moles

    • E. 

      9 moles

  • 10. 
    How many moles of Cl2(g) are required to to completely reduce 4 moles of FeTiO3(s) according to the equation shown. 
    • A. 

      2 moles

    • B. 

      5/2 moles

    • C. 

      4 moles

    • D. 

      5 moles

    • E. 

      6 moles

  • 11. 
    Which of the following statements is true about the reaction shown?(A) There are more moles of product than moles of reactant. (B) The concentration of ions in solution is greater after the reaction than before.(C) CaCO3 is less soluble than Ca(OH)2 in aqueous solution.(D) The pH of the solution increases as the reaction occurs.(E) CO2(g) acts as a catalyst.
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 12. 
    When the above equation is balanced using the lowest whole number of coefficients, what is the coefficient of HI?
    • A. 

      3 moles

    • B. 

      4 moles

    • C. 

      5 moles

    • D. 

      6 moles

    • E. 

      8 moles

  • 13. 
    When 224 g of oxygen reacts completely with NH3(g) according to the reaction equation shown above, what mass of ammonia is consumed?
    • A. 

      4 g

    • B. 

      17 g

    • C. 

      32 g

    • D. 

      68 g

    • E. 

      224 g

  • 14. 
    The correct order for increasing boiling point among the noble gases is:1. He2. Ne3. Ar 4. Kr 5. Xe The phenomenon is best explained in terms of: 
    • A. 

      Anamorphic energy

    • B. 

      Hund's rule

    • C. 

      Dipole-dipole interaction

    • D. 

      London dispersion forces

    • E. 

      Hydrogen bonding

  • 15. 
    What mass of solid Ca(OH)2 should be added to 100 mL of a 0.1M solution of HClO4 in order to neutralize it according to the unbalanced equation above?  Assume the volume change is negligible.
    • A. 

      0.37 g

    • B. 

      0.74 g

    • C. 

      1.48 g

    • D. 

      3.7 g

    • E. 

      14.8 g

  • 16. 
    How many moles of AgCl(s) will be produced if 17g of AgNO3(s) are added to 500.0 mL of a 0.5 M solution of KCl?
    • A. 

      0.10 moles

    • B. 

      0.15 moles

    • C. 

      0.25 moles

    • D. 

      0.50 moles

    • E. 

      0.60 moles

  • 17. 
    Consider the following molecules, sp3 hybridization will be exhibited by all, EXCEPT(A) SiCl4(B) NH3(C) CH4(D) H2O(E) SF6
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

    • E. 

      E

  • 18. 
    Which of the following is a potential IUPAC name for an organic compound with the molecular formula C3H6O?
    • A. 

      Propane

    • B. 

      Propene

    • C. 

      1-propanol

    • D. 

      Propanal

    • E. 

      Butanal

  • 19. 
    If 17 g of H2O2(l) are completely decomposed according to the equation shown, what volume of oxygen gas would be produced at standard temperature and pressure?
    • A. 

      2.8 L

    • B. 

      5.6 L

    • C. 

      11.2 L

    • D. 

      22.4 L

    • E. 

      44.8 L

  • 20. 
    If 100.0 mL each of a 0.1 M solution of FeSO4 and a 0.1 M solution of Ba(NO3)2 are mixed, what will be the final concentration of NO3- ion in solution?
    • A. 

      0.02 M

    • B. 

      0.03 M

    • C. 

      0.04 M

    • D. 

      0.1 M

    • E. 

      0.2 M

  • 21. 
    Given that the half-life of Na-24 is 15.0 hours, how long will it take to form the amount of a sample of Na-24 to fall to 58% of its original value?
    • A. 

      Exactly 15.0 hours

    • B. 

      Less than 15.0 hours

    • C. 

      Between 15.0 and 30.0 hours

    • D. 

      More than 30.0 hours

    • E. 

      None of the above

  • 22. 
    If 50.0 mL of a 0.60 M solution of AgC2H3O2 is added to 50.0 mL of a 0.60 M solution of Li2CO3, what will be the final concentration of CO3-2 ion in solution?
    • A. 

      .03 M

    • B. 

      .06 M

    • C. 

      .015 M

    • D. 

      .15 M

    • E. 

      .3 M

  • 23. 
    Glass is a(n)_______
    • A. 

      Liquid

    • B. 

      Crystalline Solid

    • C. 

      Metallic Solid

    • D. 

      Amorphous Solid

    • E. 

      Anamorphic Solid

  • 24. 
    Which of the following is NOT an endothermic process?
    • A. 

      Crystallization

    • B. 

      Sublimination

    • C. 

      Melting

    • D. 

      Vaporization

    • E. 

      Combustion

  • 25. 
    If 0.70 moles of NaHCO3(s) are decomposed according to the reaction equation above, how many moles of gaseous product will be formed?
    • A. 

      0.70 moles

    • B. 

      1.05 moles

    • C. 

      1.40 moles

    • D. 

      2.8 moles

    • E. 

      3.5 moles