Question 1

Would adding CaO to water be expected to form an acidic or basic solution?

Accepted Answer

basic

Question 2

In the reaction, HSO4- + CN- 4- + CN-   HCN + SO42-, which two species are both bases? A) HSO4-, CN- B) HSO4-, HCN C) SO42-, HCN D) CN-, HCN E) CN-, SO42-" class="answers-bank-image d-inline" rel="preload" > HCN + SO42-, which two species are both bases?

Accepted Answer

A)  HSO4-, CN-
B)  HSO4-, HCN
C)  SO42-, HCN
D)  CN-, HCN
E)  CN-, SO42-F) B) and E)
G) A) and D)

Question 3

In the reaction, HSO4- + CN-  4- + CN-    HCN + SO42-, which species are a conjugate acid-base pair? A) HSO4-, CN- B) CN-, HCN C) CN-, SO42- D) HCN, SO42- E) HCN, HSO4-" class="answers-bank-image d-inline" rel="preload" > HCN + SO42-, which species are a conjugate acid-base pair?

Accepted Answer

A)  HSO4-, CN-
B)  CN-, HCN
C)  CN-, SO42-
D)  HCN, SO42-
E)  HCN, HSO4-F) A) and B)
G) A) and C)

Question 4

A useful property of most ceramics is that they are very hard and resistant to wear.

Accepted Answer

A) True 
 B)False

Question 5

In the reaction, HSO4- + HS- 4- + HS-   H2S + SO42-, which species are a conjugate acid-base pair? A) HSO4-, HS- B) HSO4-, H2S C) HS-, H2S D) HS-, SO42- E) H2S, SO42-" class="answers-bank-image d-inline" rel="preload" > H2S + SO42-, which species are a conjugate acid-base pair?

Accepted Answer

A)  HSO4-, HS-
B)  HSO4-, H2S
C)  HS-, H2S
D)  HS-, SO42-
E)  H2S, SO42-F) D) and E)
G) B) and C)

Question 6

Which 0.1 M solution would be the least acidic?

Accepted Answer

A)  ZnCl2 (aq) 
B)  CdCl2 (aq) 
C)  FeCl3 (aq) 
D)  NiCl2 (aq) 
E)  CuCl2 (aq) F) B) and D)
G) C) and D)

Question 7

Which of the following would form an acidic solution when added to water?

Accepted Answer

A)  SO2 (g) 
B)  Na2O (s) 
C)  MgO (s) 
D)  H2O (g) 
E)  None of theseF) All of the above
G) B) and D)

Question 8

Which 0.1 M solution would be the most acidic?

Accepted Answer

A)  ZnCl2 (aq) 
B)  CdCl2 (aq) 
C)  FeCl3 (aq) 
D)  AuCl3 (aq) 
E)  NaCl (aq) F) A) and C)
G) A) and E)

Question 9

In the reaction, H2PO4- + HAsO42-  2PO4- + HAsO42-    HPO42- + H2AsO4-, which two species are bases? A) H2PO4-, HAsO42- B) H2PO4-, H2AsO4- C) H2PO4-, HPO42- D) HAsO42-, HPO42- E) HPO42-, H2AsO4-" class="answers-bank-image d-inline" rel="preload" > HPO42- + H2AsO4-, which two species are bases?

Accepted Answer

A)  H2PO4-, HAsO42-
B)  H2PO4-, H2AsO4-
C)  H2PO4-, HPO42-
D)  HAsO42-, HPO42-
E)  HPO42-, H2AsO4-F) All of the above
G) A) and E)

Question 10

Which one of the two species, HF(aq)or HI(aq), is the weaker Brønsted-Lowry acid?

Accepted Answer

HF

Question 11

Explain why the strong acids HNO3 and HCl both have the same relative acid strength in water.

Accepted Answer

All strong acids completely di...

Question 12

Given the following substances, listed in order of increasing acid strength,HOCl(aq) 2H3O2(aq) 2O4-(aq) 2(aq) < HCl(aq) Which species listed below is the strongest base?

Accepted Answer

A)  Cl-(aq) 
B)  OCl-(aq) 
C)  H2C2O4(aq) 
D)  NO2-(aq) 
E)  OCN-(aq) F) B) and E)
G) C) and D)

Question 13

Which solution is more acidic, AlCl3(aq)or InCl3(aq)?

Accepted Answer

Question 14

O2- ion is produced by the dissociation of MgO when it is dissolved in water. The O2- ion acts as a strong acid.

Accepted Answer

A) True 
 B)False

Question 15

Ceramic material made by the sol-gel process involve the reaction of

Accepted Answer

A)  water and acids.
B)  ethanol and water.
C)  water and metal oxides.
D)  acids and metal alkoxides.
E)  water and metal alkoxides.F) All of the above
G) A) and D)

Question 16

Which solution should be the least acidic?

Accepted Answer

A)  Al(NO3) 3 (aq) 
B)  Cd(NO3) 2 (aq) 
C)  Ga(NO3) 3 (aq) 
D)  KNO3 (aq) 
E)  Zn(NO3) 2 (aq) F) A) and C)
G) A) and D)

Question 17

In the reaction, HSO4-(aq)+ OH-(aq)  SO42-(aq)+ H2O(l), list the species that are conjugate acid-base pairs.

Accepted Answer

HSO₄^- and SO₄^2-, OH^- and H₂O

Question 18

For the system NH2OH + CH3NH3+ 2OH + CH3NH3+   CH3NH2 + NH3OH+ the position of the equilibrium lies to the left. Which is the weakest base in the system? A) NH2OH B) CH3NH3+ C) CH3NH2 D) NH3OH+ E) CH3NH2 and NH3OH+ are equal in base strength and are the weakest bases in the system" class="answers-bank-image d-inline" rel="preload" > CH3NH2 + NH3OH+ the position of the equilibrium lies to the left. Which is the weakest base in the system?

Accepted Answer

A)  NH2OH
B)  CH3NH3+
C)  CH3NH2
D)  NH3OH+
E)  CH3NH2 and NH3OH+ are equal in base strength and are the weakest bases in the systemF) C) and D)
G) A) and E)

Question 19

Five solutions were prepared by dissolving 0.00100 mole of each of the following in enough water to make 1.000 liter of solution. Which one of these compounds would make the most acidic solution?

Accepted Answer

A)  Na2O
B)  BaO
C)  Ga2O3
D)  Al2O3
E)  P4O6F) A) and B)
G) A) and C)

Question 20

Three binary acids with the formulas shown are listed in order of decreasing acid strength:HZ > HY > HX What is the formula for the strongest conjugate base of these acids?

Accepted Answer

The answer of Three binary acids with the formulas shown...

Exam 16: Acids and Bases, a Molecular Look

Would adding CaO to water be expected to form an acidic or basic solution?

Correct Answerverifiedbasic

In the reaction, HSO4- + CN- HCN + SO42-, which two species are both bases?

Correct AnswerverifiedShow Answer

In the reaction, HSO4- + CN- HCN + SO42-, which species are a conjugate acid-base pair?

Correct AnswerverifiedShow Answer

A useful property of most ceramics is that they are very hard and resistant to wear.

Correct AnswerverifiedShow Answer

In the reaction, HSO4- + HS- H2S + SO42-, which species are a conjugate acid-base pair?

Correct AnswerverifiedShow Answer

Which 0.1 M solution would be the least acidic?

Correct AnswerverifiedShow Answer

Which of the following would form an acidic solution when added to water?

Correct AnswerverifiedShow Answer

Which 0.1 M solution would be the most acidic?

Correct AnswerverifiedShow Answer

In the reaction, H2PO4- + HAsO42- HPO42- + H2AsO4-, which two species are bases?

Correct AnswerverifiedShow Answer

Which one of the two species, HF(aq)or HI(aq), is the weaker Brønsted-Lowry acid?

Correct AnswerverifiedHF

Explain why the strong acids HNO3 and HCl both have the same relative acid strength in water.

Correct AnswerverifiedAll strong acids completely di...View AnswerShow Answer

Given the following substances, listed in order of increasing acid strength,HOCl(aq) < HC2H3O2(aq) < HC2O4-(aq) < HOCN(aq) < HNO2(aq) < HCl(aq) Which species listed below is the strongest base?

Correct AnswerverifiedShow Answer

Which solution is more acidic, AlCl3(aq)or InCl3(aq)?

Correct AnswerverifiedShow Answer

O2- ion is produced by the dissociation of MgO when it is dissolved in water. The O2- ion acts as a strong acid.

Correct AnswerverifiedShow Answer

Ceramic material made by the sol-gel process involve the reaction of

Correct AnswerverifiedShow Answer

Which solution should be the least acidic?

Correct AnswerverifiedShow Answer

In the reaction, HSO4-(aq)+ OH-(aq) SO42-(aq)+ H2O(l), list the species that are conjugate acid-base pairs.

Correct AnswerverifiedHSO4- and SO42-, OH- and H2O

For the system NH2OH + CH3NH3+ CH3NH2 + NH3OH+ the position of the equilibrium lies to the left. Which is the weakest base in the system?

Correct AnswerverifiedShow Answer

Five solutions were prepared by dissolving 0.00100 mole of each of the following in enough water to make 1.000 liter of solution. Which one of these compounds would make the most acidic solution?

Correct AnswerverifiedShow Answer

Three binary acids with the formulas shown are listed in order of decreasing acid strength:HZ > HY > HX What is the formula for the strongest conjugate base of these acids?

Correct AnswerverifiedShow Answer

Correct Answer
verified
basic

In the reaction, HSO₄^- + CN^- HCN + SO₄^2-, which two species are both bases?

Correct Answer
verified

In the reaction, HSO₄^- + CN^- HCN + SO₄²^-, which species are a conjugate acid-base pair?

Correct Answer
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Correct Answer
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In the reaction, HSO₄^- + HS^- H₂S + SO₄^2-, which species are a conjugate acid-base pair?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

In the reaction, H₂PO₄^- + HAsO₄^2- HPO₄^2- + H₂AsO₄^-, which two species are bases?

Correct Answer
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Correct Answer
verified
HF

Explain why the strong acids HNO₃ and HCl both have the same relative acid strength in water.

Correct Answer
verified
All strong acids completely di...
View Answer

Given the following substances, listed in order of increasing acid strength,HOCl(aq) < HC₂H₃O₂(aq) < HC₂O₄^-(aq) < HOCN(aq) < HNO₂(aq) < HCl(aq) Which species listed below is the strongest base?

Correct Answer
verified

Which solution is more acidic, AlCl₃(aq)or InCl₃(aq)?

Correct Answer
verified

O^2- ion is produced by the dissociation of MgO when it is dissolved in water. The O^2- ion acts as a strong acid.

Correct Answer
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Correct Answer
verified

Correct Answer
verified

In the reaction, HSO₄^-(aq)+ OH^-(aq) SO₄^2-(aq)+ H₂O(l), list the species that are conjugate acid-base pairs.

Correct Answer
verified
HSO₄^- and SO₄^2-, OH^- and H₂O

For the system NH₂OH + CH₃NH₃⁺ CH₃NH₂ + NH₃OH⁺ the position of the equilibrium lies to the left. Which is the weakest base in the system?

Correct Answer
verified

Correct Answer
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Correct Answer
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