Chapter 2, Problem 48P

Predict whether aqueous solutions of the following substances are acidic, basic, or neutral and write hydrolysis equations for the acidic and basic solutions. (a) CsBr;  (b) Al(NO3)3;  (c) KCN;  (d) CH3NH3Cl

18). The formulas and the structures of two acids are shown below. Which acid is a stronger acid? If the acid strength of the two acids is equal, say so. Cl2CHCOOH CH3COOH но но CI-C-C-OH н-с-с-он ČI Ką = 0.0324 Ką = 1.82 x 10-5 %3D a. Cl¿CHCOOH is a stronger acid than CH;COOH. b. CH;COOH is a stronger acid than CI½CHCOOH c. The two have equal acid strength. d. none of the above

Which is the stronger base, (CH3)3N or H2 BO3− ?

(a) Given that Ka for acetic acid is 1.8 x 10-5 and that hypochlorous acid is 3.0 x10-8 , which is a stronger acid?  (b) Which is the stronger base, the acetate ion or the hypochlorite ion? (c) calculate the Kb values for the CHCOO- and ClO- .

1/ Hydrolysis of CH;CH,NO, with 85% H,SO, gives? 2/ When benzyl alcohol is oxidised with KMNO4, the product obtained ? 3/ In the below sequence of reactions, A and B? NaCN (CH3),CO- (HCI) 4/ Which of the following is the strongest acid? CH;COOH , BRCH,COOH , CICH,COOH , FCH,COOH 5/ Which substituted benzoic acid is most acidic? .CO2H CH3 .co,H CO2H CI .CO2H CH, 6/ Which acid is strongest or Which is most acidic? а) Cl,CH.COOН b) CICH,COOН c) CH;COOH d) CI3C.COOH 71. In the anion HCOO- the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?

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.

The Keq for the reaction:  A + B ↔ AB is 3.793 What is the Keq for 2 + AB ↔ 2 A + 2 B Keq = ?

Determine the AH of the reaction 1 1 NO2(9) +¿O2c@) +;H20) → HNO3(aq) 4

The Keq for the reaction:   A+B ↔ AB  is 85 What is the Keq for  AB↔  A + B   ?