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 oxygen hydride.
B aluminum(III) hydroxide.
C monoaluminum trihydroxide.
D aluminum hydroxide.
E aluminum trihydroxide.
Question #2
A a buffer made with 0.01 M acetic acid and 0.10 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 0.01 M sodium acetate
D a buffer made with 0.10 M acetic acid and 0.10 M sodium acetate
E a buffer made with 0.01 M acetic acid and 0.01 M sodium acetate
Question #3
A NaCl and NaNO3
B H2CO3 and KHCO3
C H2O and HCl
D NaCl and NaOH
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 has a slippery, soapy feel
B has a sour taste
C turns blue litmus red
D is insoluble in water
E produces H3O+ in water
Question #6
A maintain the pH of a solution.
B be a strong base.
C change color at the end point of a titration
D maintain a neutral pH.
E act as a strong acid.
Question #7
A 80.0 M
B 3.29 M
C 8.00 M
D 1.65 M
E 0.823 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 0.833 mL
B 7.50 mL
C 15.0 mL
D 5.00 mL
E 2.50 mL
Question #9
A 2.00 M
B
C 1.25 M
D 0.800 M
E 2.50 M
F 1.60 M
Question #10
A 5
B
C 1
D 3
E 2
F 4
Question #11
A H3PO4 + Ca(OH)2 → CaHPO4 + 2H2O
B H3PO4 + Ca(OH)2 → Ca3(PO4)2+ H2O
C 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6H2O
D 4H3PO4 + 6Ca(OH)2 → 2Ca3(PO4)2 + 12H2O
E 3H3PO4 + Ca(OH)2 → Ca3(PO4)2 + 5H2O
Question #12
A 10 M.
B 1 × 10-2 M.
C 1 × 10-12 M.
D -10 M.
E 1 × 102 M.
Question #13
A
B -9.0
C 9.0
D 5.0
E -5.0
F 1.0 × 10-5 M
Question #14
A hydrogen bromide.
B hypobromous acid.
C hydrobromic acid.
D bromous acid.
E bromic acid.
Question #15
A 5.0 × 10-11 M
B 2.0 × 10-10 M
C 5.0 × 10-10 M
D 2.0 × 10-4 M
E 1.0 × 10-10 M
Question #16
A In bases, [OH-] = [ H3O+].
B In bases, [OH-] is less than [ H3O+].
C In bases, [OH-] is greater than [ H3O+].
D In neutral solutions, [ H3O+] = [ H2O].
E In acids, [OH-] is greater than [ H3O+].
Question #17
A able to react with HCl.
B a strong acid.
C a weak acid.
D ionic.
E neutral in water solution.
Question #18
A HCNO ( Ka for HCNO is 2 × 10-4)
B H3BO3 ( Ka for H3BO3 is 5.4 × 10-10)
C HF ( Ka for HF is 7.2 × 10-4)
D HCN ( Ka for HCN is 4.9 × 10-10)
Question #19
A HCl, weak acid
B NH3, strong acid
C NaOH, strong base
D H2CO3, strong acid
E Ca(OH)2, weak base
Question #21
A CO32-/OH-
B H2O/HCO3-
C OH-/HCO3-
D H2CO3/H2O
E CO32-/HCO3-
