Concept explainers
(a)
Interpretation: The nature of the solution formed by dissolving the given oxides in water is to be stated along with the
Concept introduction: The reaction of various oxides with water leads to the formation of different species. These can be acidic, basic or even neutral.
To determine: The nature of the solution formed by dissolving
(b)
Interpretation: The nature of the solution formed by dissolving the given oxides in water is to be stated along with the chemical reactions involved.
Concept introduction: The reaction of various oxides with water leads to the formation of different species. These can be acidic, basic or even neutral.
To determine: The nature of the solution formed by dissolving
(c)
Interpretation: The nature of the solution formed by dissolving the given oxides in water is to be stated along with the chemical reactions involved.
Concept introduction: The reaction of various oxides with water leads to the formation of different species. These can be acidic, basic or even neutral.
To determine: The nature of the solution formed by dissolving
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Chemistry: An Atoms First Approach
- For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen atom? b. the electronegativity of the element bonded to the oxygen atom that bears the acidic hydrogen? c. the number of oxygen atoms? How does the strength of a conjugate base depend on these factors? What type of solution forms when a nonmetal oxide dissolves in water? Give an example of such an oxide. What type of solution forms when a metal oxide dissolves in water? Give an example of such an oxide.arrow_forward. Water is the most common amphoteric substance, which means that, depending on the circumstances, water can behave either as an acid or as a base. Using HF as an example of an acid and NH3 as an example of a base, write equations for these substances reacting with water, in which water behaves as a base and as an acid, respectively.arrow_forwardUsing your results from Exercise 133, place the species in each of the following groups in order of increasing base strength. a. OH, SH, SeH b. NH3, PH3 c. NH3, HONH2arrow_forward
- Will the following oxides give acidic, basic, or neutral solutions when dissolved in water? Write reactions to justify your answers. a. CaO b. SO2 c. Cl2Oarrow_forwardWhich of the following conditions indicate an acidic solution? pH = 3.04 (H+| > 1.0 X IO’7 A/ pOH = 4.51 |OH-J = 3.21 X 10"12 Marrow_forwardWhat is a salt? List some anions that behave as weak bases in water. List some anions that have no basic properties in water. List some cations that behave as weak acids in water. List some cations that have no acidic properties in water. Using these lists, give some formulas for salts that have only weak base properties in water. What strategy would you use to solve for the pH of these basic salt solutions? Identify some salts that have only weak acid properties in water. What strategy would you use to solve for the pH of these acidic salt solutions? Identify some salts that have no acidic or basic properties in water (produce neutral solutions). When a salt contains both a weak acid ion and a weak base ion, how do you predict whether the solution pH is acidic, basic, or neutral?arrow_forward
- Both HF and HCN ionize in water to a limited extent. Which of the conjugate bases. F“ or CN”, is the stronger base? See Table 14.2.arrow_forwardThe structure of ethylene diamine is illustrated in study question 76. Is this compound a Brnsted acid, a Brnsted base, a Lewis acid or a Lewis base, or some combination of these.arrow_forwardThe dihydrogen phosphate ion has the ability to act as an acid in the presence of a base and as a base in the presence of an acid. What is this property called? Illustrate this behavior with water by writing BrnstedLowry acidbase reactions. Also illustrate this property by selecting a common acid and base to react with the dihydrogen phosphate ion.arrow_forward
- A solution is prepared from 0.150 mol of formic acid and enough water to make 0.425 L of solution. a Determine the concentrations of H3O+ and HCOO in this solution. b Determine the H3O+ concentration that would be necessary to decrease the HCOO concentration above by a factor of 10. How many milliliters of 2.00 M HCl would be required to produce this solution? Consider that the solution was made by combining the HCl, the HCOOH, and enough water to make 0.425 L of solution. c Qualitatively, how can you account for the differences in the percentage dissociation of formic acid in parts a and b of this problem?arrow_forwardCompare the percent ionization of the base in Exercise 22a with the percent ionization of the base in Exercise 22d. Explain any differences.arrow_forwardWhat two common assumptions can simplify calculation of equilibrium concentrations in a solution of a weak base?arrow_forward
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