For each of the following acid base reactions shown below, draw curved arrows to show protontransfer. Use ARIO to predict if the equilibrium lies to the left or right.NaOHNaно*carbonic acid H,co, has a pk, value of 6.3NaHO

1. In the first case NaOH is strong base and it easily removed H+ from phenol, so the reaction…

Answered: g acid base reactions

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter15: Solutions Of Acids And Bases

Section: Chapter Questions

Problem 15.31QE

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. Calculate the pOH value corresponding to each of the pH values listed, and tell whether each solution is acidic or basic. a. pH = 10.75 b. pH = 3.66 c. p1-I = 1.98 d. pH = 12.47
Complete each of these reactions by filling in the blanks. Predict whether each reaction is product-favored or reactant-favored, and explain your reasoning. (a) _________ (aq) + Br(aq) NH3(aq) + HBr(aq) (b) CH3COOH(aq) + CN(aq) ________ (aq) + HCN(aq) (c) ________ (aq)+H2O () NH3(aq) + OH(aq)
Complete a net ionic equation for each proton-transfer reaction using curved arrows to show the flow of electron pairs in each reaction. In addition, write Lewis structures for all starting materials and products. Label the original acid and its conjugate base; label the original base and its conjugate acid. If you are uncertain about which substance in each equation is the proton donor, refer to Table 4.1 for the relative strengths of proton acids. (a) NH3+HCl (b) CH3CH2O+HCl (c) HCO3+OH (d) CH3COO+NH4+
Predict the products of each reaction, and whether the solution at equilibrium will be acidic, basic, or neutral. At equilibrium the solution is...? reaction acidic co,(g) + H,0(1) →O O basic O neutral O acidic P,O10 (s) + 6H,0() 0 basic O neutral O acidic Li,0(s) + H,0(1) -0 O basic O neutral
Complete the acid-base reaction below: HCIO(aq) + HS (aq) = The Ba vaiue for HCIO is 3.0 x 10 and the Kh value for HS is 1.8 x 10-. Which side, products or reactants, will be favored at equilibrium? Explain your choice.
Which is the stronger base, (CH3)3N or H2 BO3− ?
6. Draw two graphs for weak acid HA: (a) percent dissociation for HA versus the initial concentration of HA ([HA]o) (hint: assume [HA], as x and [H*]/[HA], as y). (b) the equilibrium concentration of H+ versus [HA]o. Explain both.
For the Brønsted acid-base reaction shown in the image, determine the conjugate acid-base pairs, then give the curved-arrow notation for the reaction in the left-to-right direction. l'om A + B is an acid and - (b) Add curved arrows to species A + B. (a) Complete the statements to indicate the conjugate acid-base pairs. It does not matter which pair is listed first. Species is an acid and is its conjugate base. Species is its conjugate base. LA H H :0 H 1 H H D
Consider the following reaction: CH, ÇH, + :çi-A-Ci: H,C- A-: H,C- 50 CH3 Based on the reaction above, the reactant which acts as a Lewis base is CAICL CAICIs o(CH);CCI O(CH),C* The product which is a Lewis acid is OAICI O(CH,),cCI CAICI o(CH)C" The following salts can replace AICla in the reaction, except OBeCl OMgCl OFeCl ocrCls
For each conjugate acid-base pair, identify the first species as an acid or a base and the second species as its conjugate acid or base. In addition, draw Lewis structures for each species, showing all valence electrons and any formal charge. (a) CH3CH2O- CH3CH2OH
Q2-3:(a) Given that Kb for ammonia is 1.8 X 10 -5 and that for methylamine is 4.4 X 10 -4, which is the stronger base? (b) which is the stronger acid ,the ammonium ion or the methylammonium ion ? (c) calculate the Ka for NH,* and CH;NH;* + Q2-4: A particular sample of vinegar has a pH of 2.90, assuming that the vinegar contains only acetic acid (Ka acetic acid in vinegar . 1.8 X 10 -5), calculate the concentration of Q2-5: Calculate the molar concentration of OH-ions in an 0.85M solution of hypobromite ion , BrO- (Kp 4.0X10-6) .what the pH value of this solution?
3. A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentrations of H;O*, CH;COO and CH;COOH at equilibrium. What is the pH of the solution? (Ka = 1.8x10) CH;COOH(aq) = CH;COO (aq) + H;O* (aq) a) Calculate the initial concentration of CH;COOH. (C:12; H:1; 0:16) b) Calculate the concentration of CH;CoO (aq) and H;O* (aq) at equilibrium. c) Calculate pH of the solution.

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