mixture, but was surprised when no additional H.(al- were formed even after waiting for many days. Explain hat re 39. The compound 'A' when treated with methyl alcohol and few drops of H2SO4 gave fruity smell. The compound 'A' can be: A. Toluene Propanoic acid C. Ethanol D. methyl ethanoate 40. The process of converting of liquid vegetable oils in to solid fats by hydrogenation is carried out in the presence of a catalyst called A. Fe Pd 41. The conjugate acid of HPO is H₂PO B. H,PO C. Mn C. H₂O D. Cd D. PO- 42. One of the following can't acts as both a Bronsted-Lowery acid and Bronsted-Lowery base? A. NH B. HCO 43. The conjugate acid-base pair in the reaction cb HCO+H₂POH,CO, + HPO A. HCO/HP0- H₂O+ D. HPOZ² B. H₂PO /H.CO,H,PO/HPO D. HCO3/CO- 44. Which one of the following species is not a Lewis acid? A. BCl3 B. SF6 45. Which of the following is acidic solution? [OH-] 2.0 x10-10 Acidic B. C. [OH-] 4.0 x10-5 Basic 46. If a solution of acetic acid, CH3COOH acid? Ka of the acid is 1.8 x 10-5. A. 0.57 M B. 0.057 M CN- D. Fe3+ C. [H+]-3.0 x10-9 Basic D. [H] 1.0 x10-7 neutral has a pH of 3.00. What is the concentration of the C. 0.0057 M D. 5.70 M 47. The pka values of three acids A, B and C are 4.5, 3.5 and 6.5 respectively. Which of the following represents the correct order of acid strength? A. A > B > C B. C > A > B 48. Based on the following given data below Acid [Acid] HV 0.1M HX 0.1M HY 0.1M HZ 0.1M C. C > B > A [Conjugate base] 0.002M [H3O+] 0.002M 0.01M 0.01M 0.05M 0.05M 0.0003M 0.0003M D.B>A>C Which acid is the strongest conjugate base? weak acid-strong base A. HV B. HX C. HY HZ 49. A student prepared a 0.1M solution of weak acid, HX and measured its PH using a PH meter found to be 2.38. What percent of the acid is ionized? A. 3.6% 4 B. 5.9% 11.6% D. 4.3% 50. What is the pH of a 0.10 M solution of NH3, a weak base, whose K₁ = 1.8 x 10-57 A. 11.13 B. 4.76 Chemistry Model Examination 9.24 D. 2.89 Grade -12 2023/2024G.C (2016E.C) Pag
mixture, but was surprised when no additional H.(al- were formed even after waiting for many days. Explain hat re 39. The compound 'A' when treated with methyl alcohol and few drops of H2SO4 gave fruity smell. The compound 'A' can be: A. Toluene Propanoic acid C. Ethanol D. methyl ethanoate 40. The process of converting of liquid vegetable oils in to solid fats by hydrogenation is carried out in the presence of a catalyst called A. Fe Pd 41. The conjugate acid of HPO is H₂PO B. H,PO C. Mn C. H₂O D. Cd D. PO- 42. One of the following can't acts as both a Bronsted-Lowery acid and Bronsted-Lowery base? A. NH B. HCO 43. The conjugate acid-base pair in the reaction cb HCO+H₂POH,CO, + HPO A. HCO/HP0- H₂O+ D. HPOZ² B. H₂PO /H.CO,H,PO/HPO D. HCO3/CO- 44. Which one of the following species is not a Lewis acid? A. BCl3 B. SF6 45. Which of the following is acidic solution? [OH-] 2.0 x10-10 Acidic B. C. [OH-] 4.0 x10-5 Basic 46. If a solution of acetic acid, CH3COOH acid? Ka of the acid is 1.8 x 10-5. A. 0.57 M B. 0.057 M CN- D. Fe3+ C. [H+]-3.0 x10-9 Basic D. [H] 1.0 x10-7 neutral has a pH of 3.00. What is the concentration of the C. 0.0057 M D. 5.70 M 47. The pka values of three acids A, B and C are 4.5, 3.5 and 6.5 respectively. Which of the following represents the correct order of acid strength? A. A > B > C B. C > A > B 48. Based on the following given data below Acid [Acid] HV 0.1M HX 0.1M HY 0.1M HZ 0.1M C. C > B > A [Conjugate base] 0.002M [H3O+] 0.002M 0.01M 0.01M 0.05M 0.05M 0.0003M 0.0003M D.B>A>C Which acid is the strongest conjugate base? weak acid-strong base A. HV B. HX C. HY HZ 49. A student prepared a 0.1M solution of weak acid, HX and measured its PH using a PH meter found to be 2.38. What percent of the acid is ionized? A. 3.6% 4 B. 5.9% 11.6% D. 4.3% 50. What is the pH of a 0.10 M solution of NH3, a weak base, whose K₁ = 1.8 x 10-57 A. 11.13 B. 4.76 Chemistry Model Examination 9.24 D. 2.89 Grade -12 2023/2024G.C (2016E.C) Pag
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
![mixture, but was surprised when no additional H.(al-
were formed even after waiting for many days. Explain
hat
re
39. The compound 'A' when treated with methyl alcohol and few drops of H2SO4 gave fruity smell.
The compound 'A' can be:
A. Toluene
Propanoic acid
C. Ethanol
D. methyl ethanoate
40. The process of converting of liquid vegetable oils in to solid fats by hydrogenation is
carried out in the presence of a catalyst called
A. Fe
Pd
41. The conjugate acid of HPO is
H₂PO
B. H,PO
C. Mn
C. H₂O
D. Cd
D. PO-
42. One of the following can't acts as both a Bronsted-Lowery acid and Bronsted-Lowery base?
A. NH
B. HCO
43. The conjugate acid-base pair in the reaction cb
HCO+H₂POH,CO, + HPO
A. HCO/HP0-
H₂O+
D. HPOZ²
B. H₂PO /H.CO,H,PO/HPO D. HCO3/CO-
44. Which one of the following species is not a Lewis acid?
A. BCl3
B. SF6
45. Which of the following is acidic solution?
[OH-] 2.0 x10-10 Acidic
B. C. [OH-] 4.0 x10-5 Basic
46. If a solution of acetic acid, CH3COOH
acid? Ka of the acid is 1.8 x 10-5.
A. 0.57 M
B. 0.057 M
CN-
D. Fe3+
C. [H+]-3.0 x10-9 Basic
D. [H] 1.0 x10-7 neutral
has a pH of 3.00. What is the concentration of the
C. 0.0057 M
D. 5.70 M
47. The pka values of three acids A, B and C are 4.5, 3.5 and 6.5 respectively. Which of the
following represents the correct order of acid strength?
A. A > B > C
B. C > A > B
48. Based on the following given data below
Acid
[Acid]
HV
0.1M
HX
0.1M
HY
0.1M
HZ
0.1M
C. C > B > A
[Conjugate base]
0.002M
[H3O+]
0.002M
0.01M
0.01M
0.05M
0.05M
0.0003M
0.0003M
D.B>A>C
Which acid is the strongest conjugate base? weak acid-strong base
A. HV
B. HX
C. HY
HZ
49. A student prepared a 0.1M solution of weak acid, HX and measured its PH using a PH meter
found to be 2.38. What percent of the acid is ionized?
A. 3.6%
4
B. 5.9%
11.6%
D. 4.3%
50. What is the pH of a 0.10 M solution of NH3, a weak base, whose K₁ = 1.8 x 10-57
A. 11.13
B. 4.76
Chemistry Model Examination
9.24
D. 2.89
Grade -12
2023/2024G.C (2016E.C)
Pag](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83b725ad-c4bb-4954-b810-45fa38599bf9%2F41e4f1b0-55ab-4a82-8309-632bd63cf6e3%2Faydpcf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:mixture, but was surprised when no additional H.(al-
were formed even after waiting for many days. Explain
hat
re
39. The compound 'A' when treated with methyl alcohol and few drops of H2SO4 gave fruity smell.
The compound 'A' can be:
A. Toluene
Propanoic acid
C. Ethanol
D. methyl ethanoate
40. The process of converting of liquid vegetable oils in to solid fats by hydrogenation is
carried out in the presence of a catalyst called
A. Fe
Pd
41. The conjugate acid of HPO is
H₂PO
B. H,PO
C. Mn
C. H₂O
D. Cd
D. PO-
42. One of the following can't acts as both a Bronsted-Lowery acid and Bronsted-Lowery base?
A. NH
B. HCO
43. The conjugate acid-base pair in the reaction cb
HCO+H₂POH,CO, + HPO
A. HCO/HP0-
H₂O+
D. HPOZ²
B. H₂PO /H.CO,H,PO/HPO D. HCO3/CO-
44. Which one of the following species is not a Lewis acid?
A. BCl3
B. SF6
45. Which of the following is acidic solution?
[OH-] 2.0 x10-10 Acidic
B. C. [OH-] 4.0 x10-5 Basic
46. If a solution of acetic acid, CH3COOH
acid? Ka of the acid is 1.8 x 10-5.
A. 0.57 M
B. 0.057 M
CN-
D. Fe3+
C. [H+]-3.0 x10-9 Basic
D. [H] 1.0 x10-7 neutral
has a pH of 3.00. What is the concentration of the
C. 0.0057 M
D. 5.70 M
47. The pka values of three acids A, B and C are 4.5, 3.5 and 6.5 respectively. Which of the
following represents the correct order of acid strength?
A. A > B > C
B. C > A > B
48. Based on the following given data below
Acid
[Acid]
HV
0.1M
HX
0.1M
HY
0.1M
HZ
0.1M
C. C > B > A
[Conjugate base]
0.002M
[H3O+]
0.002M
0.01M
0.01M
0.05M
0.05M
0.0003M
0.0003M
D.B>A>C
Which acid is the strongest conjugate base? weak acid-strong base
A. HV
B. HX
C. HY
HZ
49. A student prepared a 0.1M solution of weak acid, HX and measured its PH using a PH meter
found to be 2.38. What percent of the acid is ionized?
A. 3.6%
4
B. 5.9%
11.6%
D. 4.3%
50. What is the pH of a 0.10 M solution of NH3, a weak base, whose K₁ = 1.8 x 10-57
A. 11.13
B. 4.76
Chemistry Model Examination
9.24
D. 2.89
Grade -12
2023/2024G.C (2016E.C)
Pag
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