A hno 3 b hcl c hi d hf e hclo 4 26 ca(oh 2 is a a

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Unformatted text preview: a. HNO 3 b. HCl c. HI d. HF e. HClO 4 26. Ca(OH) 2 is a __________. a. strong base b. weak base c. strong acid d. weak acid e. binary compound 27. The compound HClO 4 is a __________. a. strong base b. weak base c. strong acid d. weak acid e. binary compound 28. HNO 2 is a __________. a. strong base b. weak base c. strong acid d. weak acid e. binary compound 29. The compound NH 4 Cl is a __________. a. strong base b. weak base c. strong acid d. weak acid e. non-electrolyte 30. Which of the following are strong acids? 1. HI 2. HNO 3 3. HF 4. HBr a. 3 & 4 b. 1, 2, 3, & 4 c. 1, 3, & 4 d. 2, 3, & 4 e. 1, 2, & 4 31. Ammonia is a ____________. a. strong base b. weak base c. weak acid d. strong acid e. salt 32. Which hydroxides are weak bases? 1. Sr(OH) 2 2. KOH 3. NaOH 4. Ba(OH) 2 a. 2 & 4 b. 1, 2, 3, & 4 c. 2 & 3 d. 2, 3, & 4 e. none of these is a weak base 33. A neutralization reaction between an acid and a metal hydroxide produces ____________. a. water and a salt b. hydrogen gas c. oxygen gas d. sodium hydroxide e. ammonia 34. Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid? a. copper b. zinc c. nickel d. iron e. tin f. cobalt 35. One method for removal of metal ions from a solution is to convert the metal to its elemental form so it can be filtered out as a solid. Which metal can be used to remove aluminum ions from solution? a. zinc b. cobalt c. lead d. copper e. nickel f. none of these 36. Of the metals below, only __________ will not dissolve in an aqueous solution containing nickel ions. a. aluminum b. chromium c. barium d. tin e. potassium 37. The reaction of ___________ produces hydrogen gas. a. Cu with HNO 3 b. Co with HCl c. Ag with HCl d. Hg with HCl e. Au with HNO 3 38. The net ionic equation for the dissolution of zinc metal in aqueous hydrobromic acid is __________. a. Zn(s) + 2Br- (aq) ¢ ZnBr 2 (aq) b. Zn(s) + 2HBr(aq) ¢ ZnBr 2 (aq) + 2H + (aq) c. Zn(s) + 2HBr(aq) ¢ ZnBr 2 (s) + 2H + (aq) d. Zn(s) + 2H + (aq) ¢ Zn 2+ (aq) + H 2 (g) e. 2Zn(s) + H + (aq) ¢ 2Zn 2+ (aq) + H 2 (g) 39. Based on the equations below, which metal is the most active? Pb(NO 3 ) 2 (aq) + Ni(s) ¢ Ni(NO 2 ) 2 (aq) + Pb(s) Pb(NO 3 ) 2 (aq) + Ag(s) ¢ No reaction Cu(NO 3 ) 2 (aq) + Ag(s) ¢ No reaction a. Ni b. Ag c. Cu d. Pb e. N 40. Consider the following reactions: AgNO 3 (aq) + Zn(s) ¢ Ag(s) + Zn(NO 3 ) 2 Co(NO 3 ) 2 (aq) + Zn(s) ¢ no reaction AgNO 3 (aq) + Co(s) ¢ Co(NO 3 ) 2 (aq) + Ag(s) Which is the correct order of increasing activity for these metals? a. Ag < Zn < Co b. Co < Ag < Zn c. Co < Zn < Ag d. Ag < Co < Zn e. Zn < Co < Ag 41. Zinc is more active than cobalt and iron but less active than aluminum. Cobalt is more active than nickel but less active than iron. Which of the following correctly lists the elements in order of increasing activity?...
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a HNO 3 b HCl c HI d HF e HClO 4 26 Ca(OH 2 is a a strong...

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