Concept explainers
Identify the reactant that is a Bronsted-Lowry acid and the reactant that is a Bronsted-Lowry base in each of the following
a
b
c.
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General, Organic, and Biological Chemistry: Structures of Life (5th Edition)
- Indicate 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_forwardIndicate 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_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 or not the two members of each of the following pairs of substances constitute a conjugate acidbase pair. a. HCl and Cl b. NH4+ and NH3 c. H2CO3 and CO32 d. H2PO4 and HPO42arrow_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_forwardWrite a chemical equation to describe the proton transfer that occurs when each of these acids is added to water. (a) HIO (b) CH3(CH2)4COOH (c) HOOCCOOH (d) CH3NH3+arrow_forward
- A hydrogen atom in the organic base pyridine, C5H5N, can be substituted by various atoms or groups to give XC5H4N, where X is an atom such as Cl or a group such as CH3. The following table gives Ka values for the conjugate acids of a variety of substituted pyridines. (a) Suppose each conjugate acid is dissolved in sufficient water to give a 0.050 M solution. Which solution would have the highest pH? The lowest pH? (b) Which of the substituted pyridines is the strongest Brnsted base? Which is the weakest Brnsted base?arrow_forwardIn the following net ionic reaction, identify each species as either a Brnsted-Lowry acid or a Brnsted -Lowry base: CH3COO(aq)+HS(aq)CH3COOH(aq)+S2(aq). Identify the conjugate of each reactant and state whether it is a conjugate acid or a conjugate base.arrow_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_forward
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