Concept explainers
Consider the following acids and their dissociation constants:
a. Which is the weaker acid,
b. What is the conjugate base of
c. Which acid has the weaker conjugate base?
d. Which acid has the stronger conjugate base?
e. Which acid produces more ions?
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BASIC CHEMISTRY -W/ ACCESS >IB< F17
- . Write the conjugate base for each of the following acids. a. HBrO b. HNO2 c. HSO3 d. CH3NH3+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_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) 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_forward
- Indicate whether the first listed reactant in each of the following BrnstedLowry acidbase reactions is functioning as an acid or a base. a. F + H2O HF + OH b. HClO + H2O H3O+ + ClO c. H3PO4 + NH3 NH4+ + H2PO4 d. HNO2 + HS H2S + NO2arrow_forwardCalculate the pKa value for each of the following acids. a. Phosphoric acid (H3PO4), Ka = 7.5 103 b. Hydrofluoric acid (HF), Ka = 6.8 104 c. Hydrogen phosphate ion (HPO42), Ka = 4.2 1013 d. Propanoic acid (HC3H5O2), Ka = 1.3 105arrow_forwardIndicate whether the first listed reactant in each of the following BrnstedLowry acidbase reactions is functioning as an acid or a base. a. HF + H2O H3O+ + F b. CN + H2O HCN + OH c. HCN + NO2 HNO2 + CN d. NH3 + HNO3 NH4+ + NO3arrow_forward
- Calculate the ionization constant for each of the following acids or bases form the ionization constant of its conjugate base or conjugate acid: (a) F- (b) NH4+ (c) AsO43- (d) (CH3)2 NH2+ (e) NO2- (f) HC2O4- (as a base)arrow_forwardPlace the species in each of the following groups in order of increasing acid strength. a. H2O, H2S, H2Se (bond energies: HO, 467 kJ/mol; HS, 363 kJ/mol; HSe, 276 kJ/mol) b. CH3CO2H, FCH2CO2H, F2CHCO2H, F3CCO2H c. NH4+, HONH3+ d. NH4+, PH4+ (bond energies: NH, 391 kJ/mol; PH, 322 kJ/mol) Give reasons for the orders you chose.arrow_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_forward
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