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Use the information in the pK, table to rank the molecules in order of decreasing basicity. For example, select "1" in the second column for the strongest base and "2" for the next strongest base and so on. CH3 HS F™ CH3CO₂ Molecules (Choose one) (Choose one) (Choose one) (Choose one) X CH4 NH3 H₂ CH,NH, H₂O 15.7 CH₂OH 15.5 48 38 36 33 pk table CH3NH 10.6 CH, SH 10.4 HCN 9.4 NH H₂S 7.00 4.76 CH,CO,H 9.2 HF H₂O* CH₂OH₂ H₂SO4 HCI HBr 3.17 -1.7 -2.2 -3.0 -7 -9

Use the information in the pK, table to rank the molecules in order of decreasing basicity. For example, select "1" in the second column for the strongest base and "2" for the next strongest base and so on. CH3 HS F™ CH3CO₂ Molecules (Choose one) (Choose one) (Choose one) (Choose one) X CH4 NH3 H₂ CH,NH, H₂O 15.7 CH₂OH 15.5 48 38 36 33 pk table CH3NH 10.6 CH, SH 10.4 HCN 9.4 NH H₂S 7.00 4.76 CH,CO,H 9.2 HF H₂O* CH₂OH₂ H₂SO4 HCI HBr 3.17 -1.7 -2.2 -3.0 -7 -9

Chemistry
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...
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### Ranking Molecules by Basicity This exercise involves using the information in the \( pK_a \) table to rank molecules in order of decreasing basicity. The objective is to select "1" for the strongest base, "2" for the next strongest, and so on. #### Molecule Options - \( \text{CH}_3^- \) - \( \text{HS}^- \) - \( \text{F}^- \) - \( \text{CH}_3\text{CO}_2^- \) Each molecule has a drop-down option to assign its rank. #### \( pK_a \) Table The \( pK_a \) table provides \( pK_a \) values for different acidic molecules. The \( pK_a \) is a measure of acid strength; a higher \( pK_a \) value indicates a weaker acid, which often correlates with a stronger conjugate base. Here are the molecules and their \( pK_a \) values: - **CH\(_4\)**: 48 - **NH\(_3\)**: 38 - **H\(_2\)**: 36 - **CH\(_3\)NH\(_2\)**: 33 - **H\(_2\)O**: 15.7 - **CH\(_3\)OH**: 15.5 - **CH\(_3\)NH\(_3^+\)**: 10.6 - **CH\(_3\)SH**: 10.4 - **HCN**: 9.4 - **NH\(_4^+\)**: 9.2 - **H\(_2\)S**: 7.00 - **CH\(_3\)CO\(_2\)H**: 4.76 - **HF**: 3.17 - **H\(_3\text{O}^+\)**: -1.7 - **CH\(_3\)OH\(_2^+\)**: -2.2 - **H\(_2\)SO\(_4\)**: -3.0 - **HCl**: -7 - **HBr**: -9 Use the \( pK_a \) values to determine the basicity of each conjugate
Transcribed Image Text:### Ranking Molecules by Basicity This exercise involves using the information in the \( pK_a \) table to rank molecules in order of decreasing basicity. The objective is to select "1" for the strongest base, "2" for the next strongest, and so on. #### Molecule Options - \( \text{CH}_3^- \) - \( \text{HS}^- \) - \( \text{F}^- \) - \( \text{CH}_3\text{CO}_2^- \) Each molecule has a drop-down option to assign its rank. #### \( pK_a \) Table The \( pK_a \) table provides \( pK_a \) values for different acidic molecules. The \( pK_a \) is a measure of acid strength; a higher \( pK_a \) value indicates a weaker acid, which often correlates with a stronger conjugate base. Here are the molecules and their \( pK_a \) values: - **CH\(_4\)**: 48 - **NH\(_3\)**: 38 - **H\(_2\)**: 36 - **CH\(_3\)NH\(_2\)**: 33 - **H\(_2\)O**: 15.7 - **CH\(_3\)OH**: 15.5 - **CH\(_3\)NH\(_3^+\)**: 10.6 - **CH\(_3\)SH**: 10.4 - **HCN**: 9.4 - **NH\(_4^+\)**: 9.2 - **H\(_2\)S**: 7.00 - **CH\(_3\)CO\(_2\)H**: 4.76 - **HF**: 3.17 - **H\(_3\text{O}^+\)**: -1.7 - **CH\(_3\)OH\(_2^+\)**: -2.2 - **H\(_2\)SO\(_4\)**: -3.0 - **HCl**: -7 - **HBr**: -9 Use the \( pK_a \) values to determine the basicity of each conjugate
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