test4tro - Practise Exam Chapter 4 1. Which one of the...

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Practise Exam Chapter 4 1. Which one of the following is a nonelectrolyte? A) aqueous barium nitrate solution B) aqueous calcium chloride solution C) aqueous lithium phosphate solution D) aqueous methyl alcohol solution E) aqueous potassium sulfate solution 2. Which one of the following is an electrolyte? A) aqueous maple syrup solution B) aqueous calcium chloride solution C) aqueous sucrose solution D) aqueous acetone solution E) aqueous ethyl alcohol solution 3. Given the following set of solutions A: aqueous sodium perchlorate B: aqueous methyl alcohol C: aqueous glucose D: aqueous calcium chloride E: aqueous nickel sulfate Which of these solutions are electrolyte solutions? A) A and E, only B) C, D and E, only C) A and D, only D) A, D and E, only E) B, D and E, only 4. Which statement below is correctly worded and states a fact? A) Ionic acids are strong electrolytes and ionize completely when dissolved in water. B) Ionic bases are weak electrolytes and ionize completely when dissolved in water. C) Ionic bases are strong electrolytes and ionize completely when dissolved in water. D) Ionic salts are strong electrolytes and dissociate completely when dissolved in water. E) Ionic salts are weak electrolytes and ionize partially when dissolved in water. Page 1
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5. Which one of the following compounds produces 4 ions per formula unit by dissociation when dissolved in water? A) K 2 C 2 O 4 B) Al(NO 3 ) 3 C) Hg 2 (NO 3 ) 2 D) NaBrO 3 E) Na 2 S 2 O 3 6. Which one of the following compounds produces 3 ions per formula unit by dissociation when dissolved in water? A) Hg 2 SO 4 B) NaClO 2 C) LiClO 4 D) KClO E) (NH 4 ) 2 SO 4 7. In the reaction, K 2 SO 4 ( aq ) + Ba(NO 3 ) 2 ( aq ) BaSO 4 ( s ) + 2 KNO 3 ( aq ), which ions are the spectator ions? A) Ba 2+ and SO 4 2- B) Ba 2+ and K + C) Ba 2+ and NO 3 - D) K + and SO 4 2- E) K + and NO 3 - 8. The equation for the reaction, AgNO 3 ( aq ) + K 2 CrO 4 ( aq ) Ag 2 CrO 4 ( s ) + KNO 3 ( aq ), can be written as an ionic equation. In this ionic equation, the spectator ions are A) Ag + and K + B) Ag + and CrO 4 2- C) K + and CrO 4 2- D) K + and NO 3 - E) CrO 4 2- and NO 3 - 9. Which one of the following compounds is insoluble in water? A) Na 2 CO 3 B) NH 4 NO 3 C) CaCO 3 D) CaCl 2 E) LiClO 4 Page 2
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10. Which one of the following compounds is soluble in water? A) PbCO 3 B) AgBr C) CaCO 3 D) MgCl 2 E) BaSO 4 11. Which set of compounds below is a set in which all members are considered soluble in water? A) BaCO 3 , NaBrO 3 , Ca(OH) 2 , and PbCl 2 B) NaCl, BaCl 2 , NH 4 NO 3 , and LiClO 4 C) NiCO 3 , PbSO 4 , AgCl, and Mg(OH) 2 D) NaCl, AgBr, Na 2 CO 3 , and Hg 2 (NO 3 ) 2 E) PbCl 2 , Pb(NO 3 ) 2 , AgClO 4 , and HgCl 2 12. Which one of the equations below represents what occurs when HC 2 H 3 O 2 is dissolved in some water? A) HC
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test4tro - Practise Exam Chapter 4 1. Which one of the...

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