33. D ( Lewis acid is electron pair acceptor and lewis base is electron paorn donar )
34 A ( bronsted acid is proton donar and base is proton acceptor )
35. B ( ka * kb = kw = 10 ^ -14 )
36. Answer = C
pH = - log ( H+ ) = - log ( 0.02 ) = 2 - log 2 = 2 - 0.3 = 1.7
D) An electron pair acceptor. E) An anphoteric species Q/33) A Lewis acid is? A)A proton...
Q(33) A Lewis acid is? A) A proton donor. B) A proton acceptor. C) An electron pair donor. D) An electron pair acceptor. E) An anphoteric species. Q(34) A Brønsted-Lowry acid is? A) A proton donor. B) A proton acceptor. C) An electron pair donor. D) An electron pair acceptor. E) An anphoteric species. Q(35) What is the relationship between Ka and Kb for a conjugate acid base pair? A) Kw=Ka+Kb B) Kw=K.*Kb C) Kw=Ko-Kb. D) Kw=Ka/Kb. E) Kw=K? Q(36)...
Q(27) The pH of a 0.050 M aqueous solution of ammonium chloride falls within what range? A) 0-2 B) 2-7 C)7-9 D) 9-12 E) 12-14 Q(28) Based on the information in the table below: which acid in aqueous solution is the weakest? Name Formula Ka Acetic Acid CH3COOH 1.8X10-5 Benzoic Acid C6H5COOH 6.3 X10-5 Formic Acid HCOOH 1.7 X 104 Hydrofluoric Acid HF 7.1 X 104 A) CH3COOH B) C6H5COOH C) HCOOH D) HF Q(29) K = 2.39 for the...
(A) (B) (C) (D) (E) It cannot be determined from the information given Q(27) The pH of a 0.050 M aqueous solution of ammonium chloride falls within what range? A) 0-2 B) 2-7 C)7-9 D) 9-12 E) 12-14 Q(28) Based on the information in the table below: which acid in aqueous solution is the weakest? Name Formula K Acetic Acid CH3COOH 1.8X10-5 Benzoic Acid C.HSCOOH 6.3 X10-5 Formic Acid HCOOH 1.7 X 104 Hydrofluoric Acid HF 7.1 X 104 B)...
part c please Lewis base Correct A Lewis acid is an electron pair acceptor. B has an incomplete octet in BF, and, as an electron deficient species, is an electron pair acceptor in the reverse reaction, so Lewis acid. bis (CH), a Lewis acid or a Lewis base? Lewis acid • Lewis base Correct A Lewis bus is an electron pair donor. The batom in (CH), has two lone pairs and is an electron pair donor in the reverse reaction,...
Q(38) What is the pH of a 0.0200 M aqueous solution of HF (K. of HF is 6.8 A) pH=14 B) pH=2.4 C) pH 47 D) pH=9,3 10 ) E) pH=12,6 Q(39) What is the pH of a 0.1 M aqueous solution of NH3 (Ko of HF is 1.8 * 10-5)? A) pH=14 B) pH=2.4 C) pH 6.7 D) pH=11.3 6) pH=12.6 Q(40) Aqueous metal ions behave as Lewis acids because they A) can readily accept electrons in their vacant...
Match: Substance Lewis acid Bronsted-Lowry base Arrhenius acid Definition A. Provides H in water B. Provides OH in water C. Proton donor D. Proton acceptor E. Electron pair donor F. Electron pair acceptor
7. According to Bronsted-Lowry theory, a base is defined as a a) substance containing OH ions. b) proton donor. c) electron pair donor. d) electron pair acceptor. e) proton acceptor. 8. According to the Lewis theory, a base: a) is a proton acceptor. b) is a proton donor. c) makes available a share in a pair of non-bonding electrons. d) is any compound that contains electron pairs c) accepts a share in a pair of electrons. 9. Predict whether each...
Match: Substance Definition Lewis base A. Provides H+ in water Bronsted-Lowry acid B. Provides OH in water Arrhenius acid C. Proton donor D. Proton acceptor E. Electron pair donor F. Electron pair acceptor
QUESTION 13 Match the following: Arrhenius acid Arrhenius base Brønsted-Lowry acid Brønsted-Lowry base a. proton donor b.produces hydroxide ions in aqueous solution C. electron pair acceptor d.proton acceptor e electron pair donor f. produces protons in aqueous solution 4 points Save Answer
Match: Substance Lewis base Bronsted-Lowry acid Arrhenius base Definition A. Provides H in water B. Provides OH in water C. Proton donor D. Proton acceptor E. Electron pair donor F. Electron pair acceptor Clear All Lewis Acid Lewis Base Can act as either a Lewis Acid or Lewis Base Neither a Lewis Acid or Lewis Base What is the approximate concentration of free Ag+ ion at equilibrium when 2.00x102 mol silver nitrate is added to 1.00 L of solution that...