Navigation » List of Schools » East Los Angeles College » Chemistry » Chemistry 51 – Fundamentals of Chemistry » Fall 2021 » Acids and Bases Review Questions
Below are the questions for the exam with the choices of answers:
Question #1
A aluminum trihydroxide.
B monoaluminum trihydroxide.
C aluminum(III) hydroxide.
D aluminum oxygen hydride.
E aluminum hydroxide.
Question #2
A a buffer made with 0.10 M acetic acid and 0.01 M sodium acetate
B All of the buffers have the same pH since they are all made with acetic acid and sodium acetate.
C a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate
D a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate
E a buffer made with 0.01 M acetic acid and 0.10 M sodium acetate
Question #3
A NaCl and NaOH
B H2O and HCl
C NaCl and NaNO3
D H2CO3 and KHCO3
E HCl and NaOH
Question #4
A the HF neutralizes added base.
B the HF is not necessary.
C the F- neutralizes added H2O.
D the F- neutralizes added base.
E the HF neutralizes added acid.
Question #5
A turns blue litmus red
B is insoluble in water
C has a sour taste
D has a slippery, soapy feel
E produces H3O+ in water
Question #6
A act as a strong acid.
B maintain a neutral pH.
C maintain the pH of a solution.
D be a strong base.
E change color at the end point of a titration
Question #7
A 3.29 M
B 1.65 M
C 8.00 M
D 0.823 M
E 80.0 M
Question #8
How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H3PO4?
A 15.0 mL
B 2.50 mL
C 5.00 mL
D 0.833 mL
E 7.50 mL
Question #9
A 1.60 M
B 2.50 M
C
D 2.00 M
E 0.800 M
F 1.25 M
Question #10
A 5
B
C 4
D 3
E 2
F 1
Question #11
A H3PO4 + Ca(OH)2 → Ca3(PO4)2+ H2O
B 4H3PO4 + 6Ca(OH)2 → 2Ca3(PO4)2 + 12H2O
C H3PO4 + Ca(OH)2 → CaHPO4 + 2H2O
D 3H3PO4 + Ca(OH)2 → Ca3(PO4)2 + 5H2O
E 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6H2O
Question #12
A 1 × 10-2 M.
B 10 M.
C 1 × 102 M.
D 1 × 10-12 M.
E -10 M.
Question #13
A 5.0
B -9.0
C -5.0
D 1.0 × 10-5 M
E
F 9.0
Question #14
A bromic acid.
B bromous acid.
C hydrogen bromide.
D hydrobromic acid.
E hypobromous acid.
Question #15
A 2.0 × 10-4 M
B 1.0 × 10-10 M
C 5.0 × 10-11 M
D 2.0 × 10-10 M
E 5.0 × 10-10 M
Question #16
A In bases, [OH-] = [ H3O+].
B In acids, [OH-] is greater than [ H3O+].
C In bases, [OH-] is less than [ H3O+].
D In bases, [OH-] is greater than [ H3O+].
E In neutral solutions, [ H3O+] = [ H2O].
Question #17
A neutral in water solution.
B ionic.
C a strong acid.
D a weak acid.
E able to react with HCl.
Question #18
A HCN ( Ka for HCN is 4.9 × 10-10)
B H3BO3 ( Ka for H3BO3 is 5.4 × 10-10)
C HCNO ( Ka for HCNO is 2 × 10-4)
D HF ( Ka for HF is 7.2 × 10-4)
Question #19
A Ca(OH)2, weak base
B NH3, strong acid
C H2CO3, strong acid
D HCl, weak acid
E NaOH, strong base
Question #21
A CO32-/HCO3-
B H2O/HCO3-
C CO32-/OH-
D H2CO3/H2O
E OH-/HCO3-
