33. D) electron pair acceptor
34. A) proton donor
35. B) Kw = Ka * Kb
36. C) pH = 1.7
37. E) pH = 12.6
Q(33) A Lewis acid is? A) A proton donor. B) A proton acceptor. C) An electron...
D) An electron pair acceptor. E) An anphoteric species 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 D) An electron pair acceptor. B)A proton acceptor. C) An electron pair donor E) An anphoteric species. Q(35) What is the relationship between Ka and Ko for a conjugate acid base pair? A) Kw=Ka+Kb B) Kw=Ka*Kb C)...
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)...
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...
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...
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,...
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...
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
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