The bulb will glow when the conductivity apparatus is placed into which beakers? 1) A and B 3) A and D 2) B and C 4) C and D

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1 1. A substance that conducts an electrical current when dissolved in water is called 1) a catalyst 3) a nonelectrolyte 2) a metalloid 4) an electrolyte 2. Which compound, in the liquid phase, conducts electricity best? 1) H 2 O 2) H 2 S 3) NH 3 4) NaOH 3. Which compound will conduct an electric current when dissolved in water? 1) NaOH 2) C 2 H 5 OH 3) C 6 H 12 O 6 4) C 12 H 22 O Which formula represents a compound that is a strong electrolyte? 1) C 6 H 12 O 6 2) C 12 H 22 O 11 3) HNO 2 4) HNO 3 5. Which compounds are both classified as electrolytes? 1) NH 4 Cl and KCl 2) C 6 H 12 O 6 and CH 3 OH 3) NH 4 Cl and C 6 H 12 O 6 4) KCl and CH 3 OH 6. A student was given four unknown solutions. Each solution was checked for conductivity and tested with phenolphthalein. The results are shown in the data table below. 9. Which 0.1 M solution contains an electrolyte? 1) C 6 H 12 O 6 (aq) 2) CH 3 COOH(aq) 3) CH 3 OH(aq) 4) CH 3 OCH 3 (aq) 10. Which substance is an electrolyte? 1) C 2 H 5 OH 2) C 6 H 12 O 6 3) C 12 H 22 O 11 4) CH 3 COOH 11. Which pair of formulas represents two compounds that are electrolytes? 1) HCl and CH 3 OH 2) HCl and NaOH 3) C 5 H 12 and CH 3 OH 4) C 5 H 12 and NaOH 12. Which species can conduct an electric current? 1) NaOH(s) 2) CH 3 OH(aq) 3) H 2 O(s) 4) HCl(aq) 13. Based on Reference Table F, which salt is the strongest electrolyte? 1) CaCO 3 2) Na 2 SO 4 3) AgCl 4) Zn 3 (PO 4 ) Which is a characteristic of an aqueous solution of HNO 3? 1) It conducts electricity. 2) It forms OH ions. 3) It turns litmus blue. 4) It turns phenolphthalein pink. 15. Beakers A, B, C, and D shown below each contain a different solution. Based on the data table, which unknown solution could be 0.1 M NaOH? 1) A 3) C 2) B 4) D 7. Based on Reference Table F, which of these salts is the best electrolyte? 1) sodium nitrate 3) silver chloride 2) magnesium carbonate 4) barium sulfate 8. Which compound is an electrolyte? 1) C 6 H 12 O 6 2) CaCl 2 3) CH 3 OH 4) CCl 4 The bulb will glow when the conductivity apparatus is placed into which beakers? 1) A and B 3) A and D 2) B and C 4) C and D

2 16. Which compound is a nonelectrolyte? 1) HNO 3 2) H 2 SO 4 3) NaOH 4) CH 3 OH 17. Which sample of HCl most readily conducts electricity? 1) HCl(s) 3) HCl(g) 2) HCl( ) 4) HCl(aq) 18. Which of the following 0.1 M solutions is the best conductor of electricity? 1) H 2 S(aq) 2) HCl(aq) 3) C 6 H 12 O 6 (aq) 4) C 12 H 22 O 11 (aq) 19. An example of a nonelectrolyle is 1) C 6 H 12 O 6 (aq) 2) K 2 SO 4 (aq) 3) NaCl(aq) 4) HCl(aq) 20. Which of the following is the best conductor of electricity? 1) NaCl(s) 2) NaCl(aq) 3) C 6 H 12 O 6 (s) 4) C 6 H 12 O 6 (aq) 21. Which compound is a nonelectrolyte? 1) KOH 2) HNO 3 3) CaCl 2 4) C 12 H 22 O Water containing dissolved electrolyte conducts electricity because the solution contains mobile 1) electrons 3) atoms 2) molecules 4) ions 23. Based on Reference Table V, which 0.1 M aqueous solution is the best conductor of electricity? 1) HI 2) HNO 2 3) H 2 S 4) H 3 PO Which compound is classified as an electrolyte? 1) C 6 H 12 O 6 2) C 12 H 22 O 11 3) CH 3 OH 4) Ca(OH) Which of the following liquids is the best conductor of electricity? 1) CCl 4 ( ) 3) CH 3 OH( ) 2) H 2 O( ) 4) NaOH(aq) 26. Which compound is a nonelectrolyte? 1) NH 3 2) CH 3 OH 3) KBr 4) HCl 27. The diagram below shows an apparatus used to test the conductivity of various materials. Which aqueous solution will cause the bulb to light? 1) C 6 H l2 O 6 (aq) 2) C 12 H 22 O 11 (aq) 3) CH 3 OH(aq) 4) LiOH(aq) 28. A 0.1 M solution of acetic acid and a 0.1 M solution of ammonium hydroxide, both at 25 C, differ in that the acetic acid solution has a larger 1) ionization constant 3) H 3 O + concentration 2) ph 4) OH concentration 29. Pure water is similar to 0.1 M HCl in that they both 1) contain H 3 O + ions 2) are neutral to litmus 3) are good conductors of electricity 4) have a ph greater than When an Arrhenius acid is dissolved in water, it produces 1) H + as the only positive ion in solution 2) NH + 4 as the only positive ion in solution 3) OH as the only negative ion in solution 4) HCO 3 as the only negative ion in solution 31. Which compound is a strong Arrhenius base? 1) C 2 H 5 OH 2) CH 3 OH 3) HOH 4) NaOH 32. According to the Arrhenius theory, when a base dissolves in water it produces 1) H + as the only positive ion in solution 2) NH + 4 as the only positive ion in solution 3) OH as the only negative ion in solution 4) CO 2 3 as the only negative ion in solution 33. Unlike an acid, an aqueous solution of a base 1) causes some indicators to change color 2) conducts electricity 3) contains more H + ions than OH ions 4) contains more OH ions than H + ions

3 34. According to the Arrhenius theory, the only negative ions in an aqueous solution of a base are 1) OH ions 2) HS ions 3) H ions 4) HCO 3 ions 35. According to the Arrhenius theory, which list of compounds includes only bases? 1) KOH, Ca(OH) 2, and CH 3 OH 2) KOH, NaOH, and LiOH 3) LiOH, Ca(OH) 2, and C 2 H 4 (OH) 2 4) NaOH, Ca(OH) 2, and CH 3 COOH 36. Which substance can be classified as an Arrhenius acid? 1) KF 3) KOH 2) HF 4) LiH 37. The only positive ion found in an aqueous solution of sulfuric acid is the 1) hydroxide ion 3) sulfite ion 2) hydronium ion 4) sulfate ion 38. Which substance is classified as an Arrhenius base? 1) HCl 2) NaOH 3) LiNO 3 4) KHCO A solution of a base differs from a solution of an acid in that the solution of a base 1) is able to conduct electricity 2) is able to cause an indicator color change 3) has a greater [H 3 O + ] 4) has a greater [OH ] 40. According to the Arrhenius theory, the acidic property of an aqueous solution is due to an excess of 1) H 2 3) H 2 O 2) H + 4) OH 41. A sample of Ca(OH) 2 is considered to be an Arrhenius base because it dissolves in water to yield 1) Ca 2+ ions as the only positive ions in solution 2) H 3 O + ions as the only positive ions in solution 3) OH ions as the only negative ions in solution 4) H ions as the only negative ions in solution 42. According to the Arrhenius theory, a substance that is classified as an acid will always yield 1) H + (aq) 3) F (aq) 2) K + (aq) 4) I (aq) 43. Acidic solutions are those that contain an excess of 1) H 2 molecules 2) H 2 O molecules 3) H + ions 4) OH ions 44. According to the Arrhenius theory of acids, citric acid in oranges and acetic acid in vinegar are classified as acids because their aqueous solutions contain 1) hydrogen ions 3) hydroxide ions 2) hydrogen atoms 4) hydroxide atoms 45. According to the Arrhenius theory, when a base is dissolved in water it produces a solution containing only one kind of negative ion. What is the name of this negative ion? 1) hydrogen carbonate ion 3) hydride ion 2) hydrogen sulfate ion 4) hydroxide ion 46. When HCl is dissolved in water, the only positive ion present in the solution is the 1) hydrogen ion 3) hydride ion 2) hydroxide ion 4) chloride ion 47. Which substance can act as an Arrhenius base in an aqueous solution? 1) LiCl 2) LiNO 3 3) LiBr 4) LiOH 48. What produces hydrogen ions as the only positive ions in aqueous solution? 1) KOH 3) NH 3 2) HBr 4) NaCl 49. Hydrogen chloride, HCl, is classified as an Arrhenius acid because it produces 1) H + ions in aqueous solution 2) Cl ions in aqueous solution 3) OH ions in aqueous solution 4) NH + 4 ions in aqueous solution 50. Which compound is an Arrhenius base? 1) CH 3 OH 2) CO 2 3) LiOH 4) NO Which substance yields hydroxide ion as the only negative ion in aqueous solution? 1) Mg(OH) 2 2) C 2 H 4 (OH) 2 3) MgCl 2 4) CH 3 Cl 52. An Arrhenius acid has 1) only hydroxide ions in solution 2) only hydrogen ions in solution 3) hydrogen ions as the only positive ions in solution 4) hydrogen ions as the only negative ions in solution 53. The OH ion concentration is greater than the H 3 O + ion concentration in a water solution of 1) CH 3 OH 2) Ba(OH) 2 3) HCl 4) H 2 SO Which substance is an Arrhenius acid? 1) NH 3 2) KOH 3) HC 2 H 3 O 2 4) CH 3 OH

4 55. According to Arrhenius theory, which species does an acid produce in aqueous solution? 1) hydrogen ions 3) sodium ions 2) hydroxide ions 4) chloride ions 56. Which substance is an Arrhenius acid? 1) LiF(aq) 2) HBr(aq) 3) Mg(OH) 2 (aq) 4) CH 3 CHO 57. Which ion is produced when an Arrhenius base is dissolved in water? 1) H +, as the only positive ion in solution 2) H 3 O +, as the only positive ion in solution 3) OH, as the only negative ion in solution 4) H, as the only negative ion in solution 58. According to the Arrhenius theory, when a base dissolves in water it produces 1) 2 CO 3 as the only negative ion in solution 2) OH as the only negative ion in solution 3) + NH 4 as the only positive ion in solution 4) H + as the only positive ion in solution 59. Which substance can be classified as an Arrhenius acid? 1) HCl 3) LiOH 2) NaCl 4) KOH 60. Which species is classified as an Arrhenius base? 1) CH 3 OH 2) LiOH 3) 3 PO 4 4) 2 CO What are the relative ion concentrations in an acid solution? 1) more H + ions than OH ions 2) fewer H + ions than OH ions 3) an equal number of H + ions and OH ions 4) H + ions but no OH ions

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