In this case, water would act as a base in which it would accept a proton from C6H5NH3+ to form the hydronium ion H3O+. [11], The amine in anilines is a slightly pyramidalized molecule, with hybridization of the nitrogen somewhere between sp3 and sp2. We will not find a value of Ka for the ammonium ion in Table E1. However, the acetate ion, the conjugate base of acetic acid, reacts with water and increases the concentration of hydroxide ion: \[\ce{CH3CO2-}(aq)+\ce{H2O}(l)\ce{CH3CO2H}(aq)+\ce{OH-}(aq) \nonumber \]. What is the conjugate acid of C6H5NH2 What formula do you use to calculate pH when given the molarity of an acid? It is a salt compound that will dissociate in a 1:1 ratio of anilinium cations and fluoride anions: Our experts can answer your tough homework and study questions. When base is added it reacts with the H + ions in the buffer, and this (temporarily) reduces the concentration of the H + ion. Required fields are marked *. In this reaction primary aromatic amine reacts with sodium nitrile and with 2 moles of HCl which is known as Ice cold mixture because the temperature use to be 0.5C and it forms benzene diazonium salt as major product and water and sodium chloride. The acetate ion behaves as a base in this reaction; hydroxide ions are a product. (See choices in answer). Business Studies. Strong acid. HClO 4. It is a strong base. Water is a weak base, but it is a base, so it can react with water. Is a solution with H3O+ = 7.0 x 10-7 M acidic, basic, or neutral? Explain. 4 Answers aaja Come. Why is my internet redirecting to gslbeacon.ligit.com and how do I STOP THIS. Who is Katy mixon body double eastbound and down season 1 finale? The HO becomes OH. Assume 50.0 mL of 0.1000 M aniline hydrochloride is titrated with 0.180 M NaOH. No creo que Susana _____ (seguir) sobre los consejos de su mdico. Ka. Explain. It is also dense, and can be stored for extended periods. Students also viewed . The conjugate acid of the strong base is a weaker acid than water and has no effect on the acidity of the resulting solution. Because of this, the force of attraction between I-and the H+ ion is less than that between Cl-and H+. Practice putting on gloves and have your instructor sign off when you have demonstrated the correct procedure. When we neutralize a weak acid with a strong base, we get a salt that contains the conjugate base of the weak acid. Who were the models in Van Halen's finish what you started video? NO2-, conjugate acid is a weak acid, therefore the salt is also potentially basic. 4, acid Ammonia, NH 3 Nitrite NO 2-, base Nitrous acid, HNO 2 H 2 PO 4-2** Dihydrogen phosphate ion, acid and base HPO 4 -, base H 3 PO 4, acid OCl-Hypochlorite ion, base Hypochlorous acid, HClO C 6 H 5 NH 2 Aniline, base C 6 H 5 NH 3 + CH 3 NH 2 Methylamine, base CH 3 NH 3 + C 5 H 5 N (pyridine) Pyridine, base C 5 H 5 NH+ Problem #2 . The strong bases are listed at the bottom right . A solution of this salt contains sodium ions and acetate ions. ClO 4 -Perchlorate ion. Explain. Why does a strong acid have a weak conjugate base, whereas a weak acid has a relatively strong conjugate base? The reaction, \[CaCO_3(s)+2HCl(aq)CaCl_2(aq)+H_2O(l)+CO_2(g) \nonumber \]. [7] It is toxic to humans. The \(\ce{C6H5NH3+}\) ion is the conjugate acid of a weak base. All bases have a conjugate acid. Let us first write the equation of dissociation C 6 H 5 N H 3 + ( a q) + H 2 O ( l) C 6 H 5 N H 2 ( a q) + H 3 O + ( a q). [32] Medications in high demand during World War II (193945), these first miracle drugs, chemotherapy of wide effectiveness, propelled the American pharmaceutics industry. pH of Solution. Is a solution with OH- = 1.0 x 10-7 M acidic, basic, or neutral? The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Write two balanced chemical equations to illustrate this property. Strong acid. The chloride ion has no effect on the acidity of the solution since HCl is a strong acid. Postby cynthmartin Sat Dec 06, 2014 4:51 pm, Postby Ciara Nagao 1A Sat Dec 06, 2014 5:25 pm, Postby Breanna Khorrami 4F Tue Dec 09, 2014 1:14 am, Users browsing this forum: No registered users and 0 guests. ; Base generates OH - in aqueous solutions. We frequently see the formula of this ion simply as Al3+(aq), without explicitly noting the six water molecules that are the closest ones to the aluminum ion and just describing the ion as being solvated in water (hydrated). Which conjugate base (#HCOO^-# or #CN^-#) is stronger? How can I identify conjugate acids and bases? The OH functional group gives the properties of the Lewis base, and hence CH3OH has properties of both weak acid and bases. Consisting of a phenyl group (C6H5) attached to an amino group (NH2), aniline is the simplest aromatic amine. 1. Me molesta que mis padres no ______ (cuidar) su alimentacin.. 3. [7], Other uses include rubber processing chemicals (9%), herbicides (2%), and dyes and pigments (2%). ph What people say. Potassium permanganate in neutral solution oxidizes it to nitrobenzene; in alkaline solution to azobenzene, ammonia, and oxalic acid; in acid solution to aniline black. Is a solution with OH- = 8.8 x 10-2 M acidic, basic, or neutral? Thus, the hydration becomes important and we may use formulas that show the extent of hydration: \[\ce{Al(H2O)6^3+}(aq)+\ce{H2O}(l)\ce{H3O+}(aq)+\ce{Al(H2O)5(OH)^2+}(aq) \hspace{20px} K_\ce{a}=1.410^{5} \nonumber \]. Top. Explain. . Aniline is, for example, more basic than ammonia in the gas phase, but ten thousand times less so in aqueous solution. N-Methylation of aniline with methanol at elevated temperatures over acid catalysts gives N-methylaniline and N,N-dimethylaniline: N-Methylaniline and N,N-dimethylaniline are colorless liquids with boiling points of 193195C and 192C, respectively. 2 no2 + h20 gives hno3 + hno2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The vegetable, such as a cucumber, is placed in a sealed jar submerged in a brine solution. The Kb of pyridine, C5H5N, is 1.5 x 10-9. Calculate the ionization constant for each of the following acids or bases from the ionization constant of its conjugate base or conjugate acid:C6H5NH3+OpenS. Identify the following solution as acidic, basic, or neutral. Answer = C2Cl2 is Polar What is polarand non-polar? Explain. Does methyl lithium act as a base in aqueous solution? Citric acid (C6H8O7), a tricarboxylic acid found in citrus fruits. Can I use this word like this: The addressal by the C.E.O. Do not use decimals in your answer. Is a solution with OH- = 3.7 x 10-10 M acidic or basic? Table of Acid and Base Strength . For example, acetic acid, like most weak acids, ionizes, 5%. Titrations of Strong Acids and Bases. Aromatic amines such as aniline are, in general, much weaker bases than aliphatic amines. Is a solution with OH- = 1 x 10-6 M acidic, basic, or neutral? Aniline combines directly with alkyl iodides to form secondary and tertiary amines. Explain. The pKa values for organic acids can be found in Appendix II of Bruice 5th Ed. A. Calculate the pH a. before titration begins b. at E. P c. at the midpoint d. after 20 mL of NaOH e. after 30 mL of NaOH - Sr(ClO4)2(aq) - LiNO2(aq). The equilibrium equation for this reaction is the ionization constant, Kb, for the base \(\ce{CH3CO2-}\). It is used to stain neural RNA blue in the Nissl stain. Substituting the expressions for the equilibrium concentrations into the equation for the ionization constant yields: \(=\dfrac{(x)(x)}{0.10x}=1.4 \times 10^{5}\), \[\ce{[H3O+]}=0+x=1.210^{3}\:M \nonumber \], \[\mathrm{pH=log[H_3O^+]=2.92(an\: acidic\: solution)} \nonumber \]. Identify the following compounds as strongly acidic, weakly acidic, weakly basic, strongly basic, or pH-neutral in water at #25^@ "C"#? For example, this approach is used to convert toluene into toluidines and chlorobenzene into 4-chloroaniline. For a given strong acid #HA#, is the concentration of #A^-# likely to be high or low at equilibrium? In a solution of a salt formed by the reaction of a weak acid and a weak base, to predict the pH, we must know both the Ka of the weak acid and the Kb of the weak base. Explain. In essence, Brnsted-Lowry acid-base theory is a general form of the Arrhenius theory of acids and bases. Is a solution with OH- = 8.2 x 10-9 M acidic, basic, or neutral? Therefore, it's conjugate base wouldn't be C6H5NH2 2+, rather, it would be C6H5NH2 and would have a neutral charge. A solution has OH- = 1.3 x 10-2 M. Is this solution acidic, basic, or neutral? Question = Is if4+polar or nonpolar ? What is the conjugate base of #CH_3NH_3^+#? A weak acid and a strong base yield a weakly basic solution. The key in determining the Bronsted-Lowry Acid and Base in a reaction is to examine the chemical equation. How many grams of the chloride salt of the conjugate acid must be combined . Work Plz. Use 4.9 1010 as Ka for HCN. As we are given the concentrations of all the species . Explain. The beneficial bacteria feed on starches in the cucumber and produce lactic acid as a waste product in a process called fermentation. Is an aqueous solution with H+ = 6.9 x 10-4 M acidic, basic, or neutral? Is a solution with OH- = 5.2 x 10-3 M acidic, basic, or neutral? Is C6H5NH2 an acid or a base? This increases the amount of hydroxide ion in the solution produced in the reaction and renders it slightly basic. Example \(\PageIndex{1}\): pH of a Solution of a Salt of a Weak Base and a Strong Acid, Example \(\PageIndex{2}\): Equilibrium of a Salt of a Weak Acid and a Strong Base, Equilibrium in a Solution of a Salt of a Weak Acid and a Weak Base, Example \(\PageIndex{3}\): Determining the Acidic or Basic Nature of Salts, Example \(\PageIndex{4}\): Hydrolysis of [Al(H2O)6]3+, status page at https://status.libretexts.org, Predict whether a salt solution will be acidic, basic, or neutral, Calculate the concentrations of the various species in a salt solution, Describe the process that causes solutions of certain metal ions to be acidic, A strong acid and a strong base, such as HCl(. Acid is a proton donor. THANKS! Chemistry 12 Provincial Exam Review Prescribed Learning Outcomes with Selected Questions from Past Provincial Exams Chemistry 12 Provincial Exam Review Page 1 CHEMISTRY Like other amines, aniline is both a base (pKaH = 4.6) and a nucleophile, although less so than structurally similar aliphatic amines. Choosing an acid or base where pK a is close to the pH needed gives the best results. Therefore, the answer is B. THEOCHEM, 2007, 813, 21-27. ), *Thermodynamics and Kinetics of Organic Reactions, *Free Energy of Activation vs Activation Energy, *Names and Structures of Organic Molecules, *Constitutional and Geometric Isomers (cis, Z and trans, E), *Identifying Primary, Secondary, Tertiary, Quaternary Carbons, Hydrogens, Nitrogens, *Alkanes and Substituted Alkanes (Staggered, Eclipsed, Gauche, Anti, Newman Projections), *Cyclohexanes (Chair, Boat, Geometric Isomers), Stereochemistry in Organic Compounds (Chirality, Stereoisomers, R/S, d/l, Fischer Projections). How would you explain conjugate acids and bases? In the parent aniline, the lone pair is approximately 12% s character, corresponding to sp7.3 hybridization. Is a solution with H3O+ = 4.21 x 10-6 M acidic, basic, or neutral? Save my name, email, and website in this browser for the next time I comment. [16], Many analogues of aniline are known where the phenyl group is further substituted. Give the conjugate acid of 2 HPO4 ? Some handbooks do not report values of Kb. Explain. What are the answers to studies weekly week 26 social studies? Is an aqueous solution with H+ = 0.00014 M acidic, basic, or neutral? As you may know, hydrogen ions (H +) are found in acids and hydoxide ions (OH -) are found in bases.. Arrhenius in the 1890's made the following discovery:. How do you determine conjugate acid and base pairs? What is it conjugate base? where can i find red bird vienna sausage? Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. The Kb of pyridine, C5H5N, is 1.5 x 10-9. Aniline (from Portuguese anil 'indigo shrub', and -ine indicating a derived substance) is an organic compound with the formula C 6 H 5 NH 2.Consisting of a phenyl group (C 6 H 5) attached to an amino group (NH 2), aniline is the simplest aromatic amine.It is an industrially significant commodity chemical, as well as a versatile starting material for fine chemical synthesis. Section: Ionization expressions, Weak Bases. HF(aq) + H2O(l) < H3O+ (aq) + F-(aq) Ka = d) C6H5NH3+ [H3O+][ F-] / [HF] 10. 4) What is the strongest acid in the following set? What is the conjugate acid of #HSO_4^-1#? Name the major nerves that serve the following body areas? ), Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams, Work, Gibbs Free Energy, Cell (Redox) Potentials, Appications of the Nernst Equation (e.g., Concentration Cells, Non-Standard Cell Potentials, Calculating Equilibrium Constants and pH), Interesting Applications: Rechargeable Batteries (Cell Phones, Notebooks, Cars), Fuel Cells (Space Shuttle), Photovoltaic Cells (Solar Panels), Electrolysis, Rust, Kinetics vs. Thermodynamics Controlling a Reaction, Method of Initial Rates (To Determine n and k), Arrhenius Equation, Activation Energies, Catalysts, Chem 14B Uploaded Files (Worksheets, etc. How would you identify the acid, base, conjugate acid, and the conjugate base in the following equation: HClO4+H2O --> H3O+ClO4? Label Each Compound With a Variable. A conjugate base contains one less H atom and one more - charge than the acid that formed it. Jimmy aaja, jimmy aaja. What is the conjugate acid of #"iodide ion"#, #I^-#? Calculate the pH of a 0.10-M solution of aluminum chloride, which dissolves completely to give the hydrated aluminum ion \(\ce{[Al(H2O)6]^3+}\) in solution. The principal use of aniline in the dye industry is as a precursor to indigo, the blue of blue jeans. Explain. What is the formula of the conjugate acid of #HSO_4^-#? Answer (1 of 10): CH3NH2 is a weak base. What is the conjugate acid-base relationship of (H2PO4)- and (HPO4)-? Strong bases completely dissociate in aq solution (Kb > 1, pKb < 1). Hence, Methanol is a weaker acid than water. Is a solution with H+ = 6.6 x 10-6 M acidic, basic, or neutral? Re: HW Question 11.3. What is the conjugate acid of #HSO_4^-2#? [36][37] The IARC lists it in Group 3 (not classifiable as to its carcinogenicity to humans) due to the limited and contradictory data available. Explain. ph Do my homework now. [35], Aniline is toxic by inhalation of the vapour, ingestion, or percutaneous absorption. Note: in the first four problems, I give the K a of the conjugate acid (for example, the ammonium ion in Example #1). Will NaCHO2 form a solution that is acidic, basic, or neutral? This diazonium salt can also be reacted with NaNO2 and phenol to produce a dye known as benzeneazophenol, in a process called coupling. The reaction is: We are given two of three equilibrium concentrations and asked to find the missing concentration. Using the equilibrium constants listed in your book, arrange the following .1 M aqueous solutions in order of increasing pH. Register Alias and Password (Only available to students enrolled in Dr. Lavelles classes. In the equation -ClO 4 + HNO 3 HClO 4 + NO 3- the order, from left to right, for Brnsted-Lowry acids and bases is A. acid + base base + acid B. acid + base acid + base C. base + acid base + acid At equilibrium a weak acid solution would consist of some of the weak acid, some dissociated proton and some dissociated conjugate base. Answer = SiCl2F2 is Polar What is polarand non-polar? Nouvelle mthode de formation des bases organiques artificielles de Zinin", "Proceedings of Chemical Societies: Chemical Society, Thursday, May 16, 1861", http://www.nuclear-weapons.info/cde.htm#Corporal, "Oxidative DNA damage and its repair in rat spleen following subchronic exposure to aniline", CDC - NIOSH Pocket Guide to Chemical Hazrds, https://en.wikipedia.org/w/index.php?title=Aniline&oldid=1138958230. Is SbCl5 ( Antimony pentachloride ) polar or nonpolar ? Acid with values less than one are considered weak. Explain how you know. Explain. Explain. There are a number of examples of acid-base chemistry in the culinary world. For which of the given acids, whose #pK_a# data are listed, will #pH# be HIGHEST at the equivalence point when titrated by #NaOH(aq)#? Spanish Help Given the following equation: HClO2+H2O--> H2O + ClO2, how would you identify the acid, base, conjugate acid, and conjugate base? Question = Is C2H6Opolar or nonpolar ? acid base base acid conjugate pairs: H3C6H5O7/ H2C6H5O7- and CN-/ HCN c) CH3NH2 . Explain. What is the #"conjugate acid of ammonia"#, #NH_3#? Explain. Now we have the ionization constant and the initial concentration of the weak acid, the information necessary to determine the equilibrium concentration of H3O+, and the pH: With these steps we find [H3O+] = 2.3 103 M and pH = 2.64, \(K_a\ce{(for\:NH4+)}=5.610^{10}\), [H3O+] = 7.5 106 M. \(\ce{C6H5NH3+}\) is the stronger acid (a) (b) . Aniline is an amine that is used to manufacture dyes. Classify these as acidic, basic or neutral solution: A) [OH^+] = 1.0 x 10^-7M B) [OH^+] 1.0 x 10^-7 M C) [OH^+] = 1.0 x 10^-10 M D)[H_3O^+] = 1.0 x 10^-10 M E) [H_3O^+] = 1.0 x 10^-7 M F) [, Identify whether a solution of each of the following is either acidic, basic or neutral. {C6H5NH3+}\) is the stronger acid (a) (b) . This is the reason for the higher stability of the conjugate base of CHOH. What is the conjugate acid for H2O (water)? Formula. HI. Strong acid. Is an aqueous solution of Na2SO3 acidic, basic, or neutral? Because an early source of the benzene from which they are derived was coal tar, aniline dyes are also called coal tar dyes. Base. Double Displacement (Acid-Base) List of Acids C 6 H 5 NH 3 + List of Bases OH-Reactants. Acid. The largest scale industrial reaction of aniline involves its alkylation with formaldehyde. (CH,)2NH" (as an acid) c. HASO4 (as a base) d. HOZ (as a base) e. CH_NH (as an acid) f. HSO3 (as a base) As we noted previously, acids and bases react chemically with each other to form. Explain. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Is a solution with H+ = 7.8 x 10-3 M acidic, basic, or neutral? A triprotic acid, H 3 A has the following K a s: K a1 = 3.37 x 10-4 , . Diaphragm _____ 3. a)NaNO2 b)HCl c)NaF d)Zn(H2O)3(OH)(NO3) Here's what I have so far: a) NaNO2 --> Na+ + . [38], Many methods exist for the detection of aniline.[39]. pH of Solution. Pickling is a method used to preserve vegetables using a naturally produced acidic environment. . The neutralization that occurs when aqueous solutions of acids and bases are combined results from the reaction of the hydronium and hydroxide ions to form water. What type of electrical charge does a proton have? Discover what acidic and basic salts are, see examples, and predict the pH of salt solutions. According to the equations below, what is the conjugate base of #HCO_3^-# ? (a) a sample of aniline is dissolved in water to produce 25.0 mL of 0.10 m solution. There are a number of examples of acid-base chemistry in the culinary world. Salts of Weak Acids and Strong Bases. The sodium ion has no effect on the acidity of the solution. Explain. Yes, you are correct. Question = Is SbCl5 ( Antimony pentachloride ) polar or nonpolar ? In this example, sulfuric acid (#H_2SO_4#) is an acid because it "donates" #H^+# to the water. Through these intermediates, the amine group can be converted to a hydroxyl (OH), nitrile (CN), or halide group (X, where X is a halogen) via Sandmeyer reactions. After World War II, Cornelius P. Rhoads introduced the chemotherapeutic approach to cancer treatment. This causes a disturbance to the equilibrium, and causes a response predicted by the Le Chatelier Principle - more of the acid molecules dissociate to increase the concentration of H + ions back to near the original concentration. Strong acid. As a bronstead base it will accept a proton from a donor such as in the reaction below: HCl + CH3NH2 ----> Cl- + CH3NH. Is a solution with OH- = 5.3 x 10-12 M acidic, basic, or neutral? fertilization to birth, whereas is the period of All other trademarks and copyrights are the property of their respective owners. Perchloric acid. A conjugate base contains one less H atom and one more - charge than the acid that formed it. What is are the functions of diverse organisms? When aluminum nitrate dissolves in water, the aluminum ion reacts with water to give a hydrated aluminum ion, \(\ce{Al(H2O)6^3+}\), dissolved in bulk water. Posterior Thigh _____ 4. Explain. The combination is hypergolic, igniting on contact between fuel and oxidizer. This means that an aqueous solution of such a compound will have the dissociated ions participate in acid-base (proton transfer) reactions with water molecules. The pyramidalization angle between the CN bond and the bisector of the HNH angle is 142.5. [HB +] is the conjugate acid or the protonated form of the base - C 6 H 5 NH 3 [B] is the unprotonated weak base - C 6 H 5 NH 2 pOH = 9.42 + log(0.5M/0.5M) = 9.42 + 0 pH = 14- pOH = 14 - 9.42 = 4.58 V. We knew that the strong acid would react completely with any base first. development from birth to death. [23] In 1840, Carl Julius Fritzsche (18081871) treated indigo with caustic potash and obtained an oil that he named aniline, after an indigo-yielding plant, anil (Indigofera suffruticosa). What is the conjugate base of oxalic acid, #HO(O=)C-C(=O)OH#? The aluminum ion is an example. The oxidation of aniline has been heavily investigated, and can result in reactions localized at nitrogen or more commonly results in the formation of new C-N bonds. [27], In 1856, while trying to synthesise quinine, von Hofmann's student William Henry Perkin discovered mauveine and went into industry producing the first commercial synthetic dye. The ionic radius of I-is larger than that of Cl-. Is a solution with H3O+ = 1.5 x 10-10 M acidic, basic, or neutral? Question = Is C2Cl2polar or nonpolar ? C6H5NH3+ + H2O > C6H5NH2 + H3O+. 3 Answers. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. Why are weak acids and bases poor electrical conductors? The conjugate acid of CH 3 NH 2 is a Methylammonium ion (CH 3 NH 3+ ). Is a solution with OH- = 1.6 x 10-3 M acidic, basic, or neutral? A weak acid plus a weak base can yield either an acidic, basic, or neutral solution. Large. When it reacts with an acid such as lemon juice, buttermilk, or sour cream in a batter, bubbles of carbon dioxide gas are formed from decomposition of the resulting carbonic acid, and the batter rises. Baking powder is a combination of sodium bicarbonate, and one or more acid salts that react when the two chemicals come in contact with water in the batter. Is a solution with OH- = 7.9 x 10-13 M acidic, basic, or neutral? Name. Explain. There are 6 that most consider to be the "STRONG" acids: HCl, HI, HBr, HNO_3#, H_2SO_4# and HClO_4#. Br-Bromide. Methylamine (CH3NH2) is considered a weak base. ; Bronsted-Lowry came up with another definition you may have never heard before.. acid: C6H5NH3+ because it donates a H+ to H2O \(\ce{Al(H2O)6^3+}(aq)+\ce{H2O}(l)\ce{H3O+}(aq)+\ce{Al(H2O)5(OH)^2+}(aq) \hspace{20px} K_\ce{a}=1.410^{5}\). These include toluidines, xylidines, chloroanilines, aminobenzoic acids, nitroanilines, and many others. HBr. Aniline can alternatively be prepared from ammonia and phenol derived from the cumene process. Below are some classes of its reactions. Explain. Would an aqueous solution with H+ = 1.6 x 10-8 M be acidic, basic, or neutral? These derivatives are of importance in the color industry. It could contain either an excess of hydronium ions or an excess of hydroxide ions because the nature of the salt formed determines whether the solution is acidic, neutral, or basic. Carbonate is the salt of the second ionization of weak carbonic acid. By the definition of a bronstead base, it is a proton acceptor, and by the definition of a Lewis base, it is a lone pair donor. Explain. Hypochlorous acid gives 4-aminophenol and para-amino diphenylamine. The accumulation of oxidative DNA damages in the spleen following exposure to aniline may increase mutagenic events that underlie tumorigenesis. This means that an aqueous solution of such a compound will have the dissociated ions participate in acid-base (proton transfer) reactions with water molecules. Explain. Why is the conjugate base of a strong acid weak? It works according to the reaction: \[Mg(OH)_2(s)Mg^{2+}(aq)+2OH^-(aq) \nonumber \]. Moreover, the conjugate base is what is formed after the conjugate acid has been formed.