A is capable of donating one or more H+

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1 Slide 1 / 48 1 According to the Arrhenius concept, an acid is a substance that. A is capable of donating one or more H+ B C D E causes an increase in the concentration of H+ in aqueous solutions can accept a pair of electrons to form a coordinate covalent bond reacts with the solvent to form the cation formed by autoionization of that solvent tastes bitter

2 Slide 2 / 48 2 A Bronsted-Lowry base is defined as a substance that. A B C D E increases [H + ] when placed in H 2 O decreases [H + ] when placed in H 2 O increases [OH - ] when placed in H 2 O acts as a proton acceptor acts as a proton donor

3 Slide 3 / 48 3 A Bronsted-Lowry acid is defined as a substance that. A increases Ka when placed in H 2 O B decreases [H + ] when placed in H 2 O C increases [OH-] when placed in H 2 O D acts as a proton acceptor E acts as a proton donor

4 Slide 4 / 48 4 A substance that is capable of acting as both an acid and as a base is. A B C D E autosomal conjugated amphoteric saturated miscible

5 Slide 5 / 48 5 What is the conjugate acid of NH 3? A NH 3 + B NH 2 + C NH 3 + D NH 4 E NH 4 OH

6 Slide 6 / 48 6 The conjugate base of HSO 4 - is. A OH - B H 2 SO 4 2- C SO 4 + D HSO 4 + E H 3 SO 4

7 Slide 7 / 48 7 The conjugate acid of HSO 4 - is. A H + B H 2 SO 4 C SO D HSO 4 + E HSO 3

8 Slide 8 / 48 8 What is the conjugate base of OH-? A O 2 B O- C H 2 O D O 2- E H 3 O +

9 Slide 9 / 48 9 Which one of the following is a Bronsted-Lowry acid? A (CH 3 ) 3 NH + B CH 3 COOH C HF D HNO 2 E all of the above

10 Slide 10 / Which of the following compounds could never act as an acid? 2- A SO 4 B HSO - 4 C H 2 SO 4 D NH 3 E CH 3 COOH

11 Slide 11 / What is an acid, according to Bronsted-Lowry? A B C D E anything that donates hydrogen atoms anything that donates hydrogen ions anything that accepts hydrogen ions anything that dissolves metal anything that donates hydronium ions

12 Slide 12 / What is a base, according to Bronsted-Lowry? A B C D E anything that accepts hydrogen ions anything that accepts hydroxide ions anything that donates hydroxide ions anything that can be used to clean drains anything with a bitter taste

13 Slide 13 / According to the following reaction, which molecule is acting as an acid? H 2 O + H 2 SO 4 H 3 O + + HSO 4 - A H 2 SO 4 B H 2 O C H 3 O + - D HSO 4 E None of the above

14 Slide 14 / According to the following reaction, which molecule is acting as base? H 2 O + H 2 SO 4 H 3 O+ + HSO 4 - A H 2 SO 4 B H 2 O C H 3 O + - D HSO 4 E None of the above

15 Slide 15 / According to the following reaction, which molecule is acting as an acid? H 3 O + + HSO 4 - H 2 O + H 2 SO 4 A H 2 SO 4 B H 2 O C H 3 O + - D HSO 4 E None of the above

16 Slide 16 / According to the following reaction, which molecule is acting as a base? H 3 O + + HSO 4 - H 2 O + H 2 SO 4 A H 2 SO 4 B H 2 0 C H 3 O + - D HSO 4 E None of the above

17 Slide 17 / According to the following reaction, which molecule is acting as a base? H 2 O + NH 3 OH- + NH 4 + A H 2 O B NH 3 C OH- + D NH 4 E None of the above

18 Slide 18 / According to the following reaction, which molecule is acting as an acid? H 2 O + NH 3 OH- + NH 4 + A H 2 O B NH 3 C OH- + D NH 4 E None of the above

19 Slide 19 / According to the following reaction, which molecule i acting as an acid? OH - + NH 4 + H 2 O + NH 3 A H 2 O B NH 3 C OH - + D NH 4 E None of the above

20 Slide 20 / According to the following reaction, which molecule is acting as a base? OH - + NH 4 + H 2 O + NH 3 A H 2 O B NH 3 C OH- + D NH 4 E None of the above

21 Slide 21 / In the below reaction, what does the double arrow symbol mean? OH - + NH 4 + H 2 O + NH 3 A B C D E The forward and backwards reactions are happening at the same time The reaction can t decide which way to go The forward reaction does not progress The backward reaction happens as fast as the forward reaction so the proton is not transferred None of the above

22 Slide 22 / For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H 3 PO 4 + H 2 O <--> H 2 PO H 3 O + A B C D E Acid Base Neither Both None of the above

23 Slide 23 / For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H 3 PO 4 + H 2 O <--> H 2 PO H 3 O + A B C D E Acid Base Neither Both None of the above

24 Slide 24 / For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H 3 PO 4 + H 2 O H 2 PO H 3 O + A B C D E Acid Base Neither Both None of the above

25 Slide 25 / For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H 3 PO 4 + H 2 O H 2 PO H 3 O + A B C D E Acid Base Neither Both None of the above

26 Slide 26 / A substance that is capable of acting as both an acid and as a base is. A B C D E autosomal conjugated amphoteric saturated miscible

27 Slide 27 / The molar concentration of hydronium ion in pure water at 25 C is. A 0.00 B 1.0x10-7 C 1.0x10-14 D 1.00 E 7.00

28 Slide 28 / The molar concentration of hydroxide ion in pure water at 25 C is. A 1.00 B 0.00 C 1.0x10-14 D 1.0x10-7 E 7.00

29 Slide 29 / The magnitude of K w indicates that. A B C D water autoionizes very slowly water autoionizes very quickly water autoionizes only to a very small extent the autoionization of water is exothermic

30 Slide 30 / In basic solution,. A [H 3 O + ] = [OH - ] B H 3 O + ] > [OH - ] C [H 3 O + ] < [OH - ] D [H 3 O + ] = 0M E [OH - ] >7.0

31 Slide 31 / An aqueous solution contains 0.10 M NaOH. The solution is. A B C D E very dilute highly colored basic neutral acidic

32 Slide 32 / Nitric acid is a strong acid. This means that. A B aqueous solutions of HNO 3 contain equal concentrations of H+ (aq) and OH- (aq) HNO 3 does not dissociate at all when it is dissolve in water C HNO 3 dissociates completely to H+ (aq) and NO 3 - (aq) when it dissolves in water D E HNO 3 produces a gaseous product when it is neutralized HNO 3 cannot be neutralized by a weak base

33 Slide 33 / Which of the following solutions is the most acidic? A a solution with ph = 3 B a solution with ph = 5 C a solution with ph = 7 D a solution with ph = 10 E all of the solutions are basic

34 Slide 34 / If you had a 1.0 M solution of a strong acid, what would be a reasonable ph? A 1 B 6 C 7 D 8 E 13

35 Slide 35 / If you had a 1.0 M solution of a weak acid, what would be a reasonable ph? A 1 B 6 C 7 D 8 E 13

36 Slide 36 / If you had a 1.0 M solution of a weak base, what would be a reasonable ph? A 1 B 6 C 7 D 8 E 13

37 Slide 37 / If you had a 1.0 M solution of a strong base, what would be a reasonable ph? A 1 B 6 C 7 D 8 E 13

38 Slide 38 / Which solution below has the highest concentration of hydroxide ions? A ph = 3.21 B ph = 12.6 C ph = 7.93 D ph = 9.82 E ph = 7.00

39 Slide 39 / As the ph increases, the hydroxide ion concentration. A B C D decreases increases starts to affect the [H+] stays constant

40 Slide 40 / If the ph of a solution is 10, what is the hydronium ion concentration? A 4 B 10 C 1 x 10-4 D 1 x 10-7 E 1 x 10-10

41 Slide 41 / If the ph of a solution was 7 and you were to increase the hydroxide ion concentration, what would the ph be? A 1 B 5 C 7 D 9 E 1 x 10-5

42 Slide 42 / If the ph of a solution was 7 and you were to increase the hydronium ion concentration 1000x, what would the ph be? A 4 B 7 C 143 D 7000 E 1 x 10-4

43 Slide 43 / An aqueous solution at 25.0 C contains [H+] = 0.099M. What is the ph of the solution? A 1.00 B C 13.0 D E 1.00x10-13

44 Slide 44 / The ph of an aqueous solution at 25.0 C is What is the molarity of in this solution? A 2.2x10-11 B 4.6 x10-4 C 3.3 D 1.1x10-13 E 4.6x10 10

45 Slide 45 / What is the ph of an aqueous solution at 25.0 C in which [H] + is M? A 3.40 B 2.60 C D E 2.25

46 Slide 46 / What is the ph of an aqueous solution at 25.0 C that contains 3.98x10-9 M hydronium ion? A B C D E 7.000

47 Slide 47 / What is the concentration (in M) of hydronium ions in a solution at 25.0 C with ph = 4.282? A 4.28 B 9.71 C 1.92x10-10 D 5.22x10-5 E 1.66x10 4

48 Slide 48 / 48

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