(d) For each of the following acid categories, (a) Identify the trend in relative acid strength...
(d) For each of the following acid categories,
(a) Identify the trend in relative acid strength for each
condition, and then(b) Circle the strongest acid of the pair
listed
I. Binary Acids
(i) Down same group
(a) HF HCl
(ii) Across period (Left ? Right)
(b) HF H2O
II. Oxoacids
(i) Increasing electronegativity of central atom
(a) HClO HBrO
(ii) Increasing number of non-protonated oxygen atoms
(b) HNO2 HNO3
Homework Answers
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(d) For each of the following acid categories,
(a) Identify the trend in relative acid strength...
Arrange the following oxoacids in order of decreasing acid strength.
Part A Arrange the following oxoacids in order of decreasing acid strength.Rank from strongest to weakest acid. To rank items as equivalent, overlap them.1. HClO22. HClO33. HBrO4. HClOPart B Arrange the following carboxylic acids in order of decreasing acid strength.1. CHCl2COOH2. CH2ClCOOH3. CH3COOH4. CH3CH2COOHPart C Arrange the following amines in order of decreasing base strength.1. CH3NH22. NH33. NH2Br4. (CH3)2NH
Part A Arrange the following oxoacids in order of decreasing acid strength. Rank from strongest to...
Part A Arrange the following oxoacids in order of decreasing acid strength. Rank from strongest to weakest acid. To rank items as equivalent, overlap them. 1. HClO2 2. HClO3 3. HBrO 4. HClO Part B Arrange the following carboxylic acids in order of decreasing acid strength. 1. CHCl2COOH 2. CH2ClCOOH 3. CH3COOH 4. CH3CH2COOH Part C Arrange the following amines in order of decreasing base strength. 1. CH3NH2 2. NH3 3. NH2Br 4. (CH3)2NH
(a) Select all of the correct statements about the relative acid strengths of pairs of acids...
(a) Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S. H2O is a stronger acid than HF because O is larger than F. HIO4 is a stronger acid than HBrO4 because I is larger than Br. HNO2 is a stronger acid than HNO3 because it has fewer oxygens surrounding the central N atom. HClO4 is a...
(a) Select all of the correct statements about the relative acid strengths of pairs of acids...
(a) Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S. HClO3 is a stronger acid than HClO4 because it has fewer oxygens surrounding the central Cl atom. H2Se is a stronger acid than H2S because Se atoms are larger than S atoms. H2PO4- is a stronger acid than HPO42- because it has more acidic H atoms....
answer questions 13. If K-2.0x 10" at 25 C, for the following reaction: H2 (g)+ Cl(g)...
answer questions
13. If K-2.0x 10" at 25 C, for the following reaction: H2 (g)+ Cl(g) 2 HCI (g), then find Kp at the same temperature. (2 pts) 14. (a) Give the formula of the conjugate base of the following Bronsted-Lowry acids: (4pts) (i) HO (ii) H2CO (b) Give the formula of the conjugate acid of the following Bronsted-Lowry bases: (4pts) HSO (ii) NH 15. Identify the stronger acid in each of the following pairs and briefly explain the reason...
General Chemistry II Part 3. Now let's consider the effect of structure on acid-base properties: There...
General Chemistry II Part 3. Now let's consider the effect of structure on acid-base properties: There are two main factors that determine whether a molecule containing X-H bond will behave as a Bronsted-Lowry acid and donate a proton: the strength of the bond and the polarity of the bond. On one hand, the stronger the X-H bond, the lower the molecule's tendency to donate the proton. On the other hand, the more polar the X-H bond, the higher the molecules...
Which of the following statements correctly summarize the influence of partner A on the strength of...
Which of the following statements correctly summarize the influence of partner A on the strength of the acid HA? Choose one or more For partner atoms in the same group. HA becomes more acidic as A increases in size. For partner atoms in the same period, HA will become stronger as A becomes smaller HA will always become more acidic as the electronegativity of Aincreases HA becomes more acidic as the number of ionizable H atoms in the structure increases....
1. A hydrogen atom in the organic base pyridine, CsHsN, can be substituted by various atoms...
1. A hydrogen atom in the organic base pyridine, CsHsN, can be substituted by various atoms or groups to give XCsH4N, where X is an atom such as Cl or a group such as CH3. The following table gives K, values for the conjugate acids of a variety of substituted pyridines. Atom or Group X (aq) + HCl(aq) → (aq) + Cl-(aq) NO K, of Conjugate Acid 5.9 x 10-2 1.5 x 10-4 6.8 x 10-6 1.0 x 10-6 н....
10. Fill in each blánk with increases or decreases As K, increases, acid strength As Kb...
10. Fill in each blánk with increases or decreases As K, increases, acid strength As Kb increases, base strength As pK, increases, acid strength As pKb increases, base strength As acid strength increases, conjugate base strength The stronger an acid, the the conjugate base. (stronger or weaker) HoCI NH4 11. a) Which is the HS stronger acid? stronger acid? stronger base? stronger base? HF pk-3.14 CH,OH pk, 10.0 b) Which is the c) Which is the d) Which is the...
4 4. a) Parts (a) and (b) below are separate independent problems For each of the...
4 4. a) Parts (a) and (b) below are separate independent problems For each of the following, write a balanced net-ionic equation for the acid-base neutralization reaction that occurs (omitting any spectator ions), and determine the value of the equilibrium constant K for the reaction. Be sure to include phases (such as (aq) or ()) in your reactions. The first one is done for you as an example. (8 pts) Example: Solutions of HBr (ag) and KOH (aq) are mixed...
answer questions
13. If K-2.0x 10" at 25 C, for the following reaction: H2 (g)+ Cl(g) 2 HCI (g), then find Kp at the same temperature. (2 pts) 14. (a) Give the formula of the conjugate base of the following Bronsted-Lowry acids: (4pts) (i) HO (ii) H2CO (b) Give the formula of the conjugate acid of the following Bronsted-Lowry bases: (4pts) HSO (ii) NH 15. Identify the stronger acid in each of the following pairs and briefly explain the reason...
General Chemistry II Part 3. Now let's consider the effect of structure on acid-base properties: There are two main factors that determine whether a molecule containing X-H bond will behave as a Bronsted-Lowry acid and donate a proton: the strength of the bond and the polarity of the bond. On one hand, the stronger the X-H bond, the lower the molecule's tendency to donate the proton. On the other hand, the more polar the X-H bond, the higher the molecules...
Which of the following statements correctly summarize the influence of partner A on the strength of the acid HA? Choose one or more For partner atoms in the same group. HA becomes more acidic as A increases in size. For partner atoms in the same period, HA will become stronger as A becomes smaller HA will always become more acidic as the electronegativity of Aincreases HA becomes more acidic as the number of ionizable H atoms in the structure increases....
1. A hydrogen atom in the organic base pyridine, CsHsN, can be substituted by various atoms or groups to give XCsH4N, where X is an atom such as Cl or a group such as CH3. The following table gives K, values for the conjugate acids of a variety of substituted pyridines. Atom or Group X (aq) + HCl(aq) → (aq) + Cl-(aq) NO K, of Conjugate Acid 5.9 x 10-2 1.5 x 10-4 6.8 x 10-6 1.0 x 10-6 н....
10. Fill in each blánk with increases or decreases As K, increases, acid strength As Kb increases, base strength As pK, increases, acid strength As pKb increases, base strength As acid strength increases, conjugate base strength The stronger an acid, the the conjugate base. (stronger or weaker) HoCI NH4 11. a) Which is the HS stronger acid? stronger acid? stronger base? stronger base? HF pk-3.14 CH,OH pk, 10.0 b) Which is the c) Which is the d) Which is the...
4 4. a) Parts (a) and (b) below are separate independent problems For each of the following, write a balanced net-ionic equation for the acid-base neutralization reaction that occurs (omitting any spectator ions), and determine the value of the equilibrium constant K for the reaction. Be sure to include phases (such as (aq) or ()) in your reactions. The first one is done for you as an example. (8 pts) Example: Solutions of HBr (ag) and KOH (aq) are mixed...
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