Concept explainers
(a)
Interpretation: The acid, base, conjugate acid and the conjugate base in each of the given aqueous reactions is to be identified.
Concept introduction: A molecule or an ion that is capable of donating a proton or accepting an electron pair in a
A substance that reacts with an acid to form salts is known as a base.
A substance formed by adding a proton
When an acid donated a proton in a chemical reaction, the remaining species is termed as a conjugate base.
To identify: The acid, base, conjugate acid and the conjugate base in the given aqueous reaction.
(b)
Interpretation: The acid, base, conjugate acid and the conjugate base in each of the given aqueous reactions is to be identified.
Concept introduction: A molecule or an ion that is capable of donating a proton or accepting an electron pair in a chemical reaction is known as an acid.
A substance that reacts with an acid to form salts is known as a base.
A substance formed by adding a proton
When an acid donated a proton in a chemical reaction, the remaining species is termed as a conjugate base.
To identify: The acid, base, conjugate acid and the conjugate base in the given aqueous reaction.
(c)
Interpretation: The acid, base, conjugate acid and the conjugate base in each of the given aqueous reactions is to be identified.
Concept introduction: A molecule or an ion that is capable of donating a proton or accepting an electron pair in a chemical reaction is known as an acid.
A substance that reacts with an acid to form salts is known as a base.
A substance formed by adding a proton
When an acid donated a proton in a chemical reaction, the remaining species is termed as a conjugate base.
To identify: The acid, base, conjugate acid and the conjugate base in the given aqueous reaction.
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Check out a sample textbook solutionChapter 13 Solutions
Chemistry: An Atoms First Approach
- Are solutions of the following salts acidic, basic, or neutral? For those that are not neutral, write balanced chemical equations for the reactions causing the solution to be acidic or basic. The relevant Ka and Kb values are found in Tables 13-2 and 13-3. a. NaNO3 b. NaNO2 c. C5H5NHClO4 d. NH4NO2 e. KOCl f. NH4OClarrow_forward12.63 For each of the following reactions, indicate the Bronsted-Lowrv acids and bases. What are the conjugate acid-base pairs? CN’(aq) + H2O(€) «=* HCN(aq) + OH’(aq) HCO}-(aq) + H,o+(aq) +* H2CO,(aq) + H,O(€) (C) CH,CtX)H(aq) + HS~(aq)i=i CH}COO"(aq) + H2S(aq)arrow_forwardWrite the reaction and the corresponding Kb equilibrium expression for each of the following substances acting as bases in water. a. NH3 b. C5H5Narrow_forward
- In each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) C2H5N(aq) + CH3CO2H(aq) C5H5NH+(aq) + CH3CO2(aq) (b) N2H4(aq) + HSO4(aq) N2H5+(aq) + SO42(aq) (c) [Al(H2O)6]3+ (aq) + OH(aq) [Al(H2O)5OH]2+ (aq) + H2O+()arrow_forwardIn each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) HCO2H(aq) + H2O() HCO2(aq) + H3O+(aq) (b) NH3(aq) + H2S(aq) NH4+(aq) + HS(aq) (c) HSO4(aq) + OH(aq) SO42(aq) + H2O+()arrow_forwardConsider a 0.67-M solution of C2H5NH2 (Kb = 5.6 104). a. Which of the following are major species in the solution? i. C2H5NH2 ii. H+ iii. OH iv. H2O v. C2H5NH3+ b. Calculate the pH of this solution.arrow_forward
- Write the reaction and the corresponding Kb equilibrium expression for each of the following substances acting as bases in water. a. aniline, C6H5NH2 b. dimethylamine, (CH3)2NHarrow_forward. Strong buses are bases that completely ionize in water to produce hydroxide ion, OH-. The strong bases include the hydroxides of the Group I elements. For example, if 1.0 mole of NaOH is dissolved per liter, the concentration of OH ion is 1.0 M. Calculate the [OH-], pOH, and pH for each of the following strong base solutions. a. 1.10 M NaOH b. 2.0104M KOH c. 6.2103M CsOH d. 0.0001 M NaOHarrow_forwardTo measure the relative strengths of bases stronger than OH, it is necessary to choose a solvent that is a weaker acid than water. One such solvent is liquid ammonia. (a) Write a chemical equation for the autoionization of ammonia. (b) What is the strongest acid and base that can exist in liquid ammonia? (c) Will a solution of HCI in liquid ammonia be a strong electrical conductor, a weak conductor, or a nonconductor? (d) Oxide ion (O2) is a stronger base than the amide ion (NH2). Write an equation for the reaction of O2 with NH3 in liquid ammonia. Will the equilibrium favor products or reactants?arrow_forward
- Determine whether aqueous solutions of the following salts are acidic, basic, or neutral: (a) Al(NO3)3. (b) RbI. (c) KHCO2. (d) CH3NH3Brarrow_forwardEthanol (ethyl alcohol), CH3CH2OH, can act as a BrnstedLowry acid. Write the chemical equation for the reaction of ethanol as an acid with hydroxide ion, OH. Ethanol can also react as a BrnstedLowry base. Write the chemical equation for the reaction of ethanol as a base with hydronium ion, H3O+. Explain how you arrived at these chemical equations. Both of these reactions can also be considered Lewis acid base reactions. Explain this.arrow_forwardPure liquid ammonia ionizes in a manner similar to that of water. (a) Write the equilibrium for the autoionization of liquid ammonia. (b) Identify the conjugate acid form and the base form of the solvent. (c) Is NaNH2 an acid or a base in this solvent? (d) Is ammonium bromide an acid or a base in this solvent?arrow_forward
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