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Chapter 7 - Part 1 Homework Multiple Choice Questions Q1. Which of the following best describes a strong Q6, In the reaction: Zn (s) + CuSO, (aq) - ZoSO, (aq) electrolyte? * Cu(s), which species is oxidized? a) Dissolves in water but does not conduct electricity a) Cuz* b) Partially dissociates into ions in water b) Zn p) Completely dissociates into ions in water c) sof d) Does not dissolve in water at all d) Cu Q2. Which compound will form a precipitate when Q7, What is the oxidation number of chromium in mixed with aqueous sodium iodide? KaCrzor? a) NaNO, a) +3 b) KCI b) +4 C) +5 d) NH.Ca 1) +6 Q3, What are the spectator ions in the reaction Q8. Which of the following is a displacement between AgNO, (aq) and NaCl (aq)? reaction? a) Ag' and Ct a) CaCO,- Cao + CO2 b) Na' and NO: b) Ch + 2KBr - 2KCI + Brz c) Ag' and Na* c) HCI + NaOH- NaCl + 12O d) Ct and NOs d) C + 02- CO2 Q4. Which acid is classified as a strong acid? Q9. In a titration, the equivalence point is reached a) HaSO. when b) HF a) Excess acid remains in solution c) CHICOOH b) Excess base remains in solution d) HPO. c) The indicator changes color d) The moles of acid equal the moles of base by Q5. What type of reaction occurs when hydrochloric acid reacts with calcium carbonate? a) Precipitation Q10. Which statement about solubility rules is correct? b) Neutralization producing water only a) Nitrates are generally insoluble in water c) Gas-forming reaction producing CO2 b) Halides of Ag*, He?, and Pb * are insoluble d) Oxidation-reduction c) Sulfates of Ba" and S are soluble d) Hydroxides of transition metals are soluble Short Answer Questions Q11. Write the balanced molecular, ionic, and net ionic equations for the reaction between hydrochloric acid (HCI) and sodium hydroxide (NaOH) Q12. Write the balanced molecular, lonic, and net ionic equations for the reaction between zinc metal (Zn) and hydrochloric acid (HCI)