CHEM 219 ORGO CH 7 EXAM SCRIPT 2026
FULL QUESTIONS AND VERIFIED CORRECT
ANSWERS
⩥ Which of the following compounds is INSOLUBLE?
A) magnesium phosphate
B) magnesium sulfate
C) magnesium iodide
D) magnesium nitrate
E) none of the above. Answer: A) magnesium phosphate
⩥ Which of the following compounds is SOLUBLE?
A) copper carbonate
B) calcium carbonate
C) potassium carbonate
D) strontium carbonate
E) none of the above. Answer: C) potassium carbonate
⩥ Which of the following compounds is SOLUBLE?
A) aluminum hydroxide
B) aluminum sulfide
,C) aluminum carbonate
D) aluminum sulfate
E) none of the above. Answer: D) aluminum sulfate
⩥ All of the following compounds are soluble in water EXCEPT:
A) NaCl.
B) CaCl2.
C) FeCl3.
D) NH4Cl.
E) PbCl2.. Answer: E) PbCl2.
⩥ The compound sodium sulfate is soluble in water. When this
compound dissolves in water, which ion listed below would be present
in solution?
A) SO42-
B) S2-
C) O2-
D) Na22+
E) none of the above. Answer: A) SO42-
⩥ When solid NaCl is stirred into water, which of the following is NOT
true?
A) Individual sodium and chloride ions are present.
, B) The solution will conduct electricity.
C) The solution will taste salty.
D) The NaCl will fail to dissociate.
E) none of the above. Answer: D) The NaCl will fail to dissociate.
⩥ Several grams of sodium chloride are stirred into a glass of water and
are no longer visible to the eye. Which of the following statements is
FALSE?
A) The sodium chloride solid has dissociated into its component ions.
B) An aqueous solution has been prepared.
C) No precipitate has formed.
D) Sodium chloride is insoluble in water.
E) All of the statements are true.. Answer: D) Sodium chloride is
insoluble in water.
⩥ If you had an aqueous mixture that contained Ag+, K+, and Pb2+
cations, how many different solids could precipitate if a chloride
solution was added?
A) 1
B) 2
C) 3
D) 4
E) no solids will precipitate. Answer: B) 2
FULL QUESTIONS AND VERIFIED CORRECT
ANSWERS
⩥ Which of the following compounds is INSOLUBLE?
A) magnesium phosphate
B) magnesium sulfate
C) magnesium iodide
D) magnesium nitrate
E) none of the above. Answer: A) magnesium phosphate
⩥ Which of the following compounds is SOLUBLE?
A) copper carbonate
B) calcium carbonate
C) potassium carbonate
D) strontium carbonate
E) none of the above. Answer: C) potassium carbonate
⩥ Which of the following compounds is SOLUBLE?
A) aluminum hydroxide
B) aluminum sulfide
,C) aluminum carbonate
D) aluminum sulfate
E) none of the above. Answer: D) aluminum sulfate
⩥ All of the following compounds are soluble in water EXCEPT:
A) NaCl.
B) CaCl2.
C) FeCl3.
D) NH4Cl.
E) PbCl2.. Answer: E) PbCl2.
⩥ The compound sodium sulfate is soluble in water. When this
compound dissolves in water, which ion listed below would be present
in solution?
A) SO42-
B) S2-
C) O2-
D) Na22+
E) none of the above. Answer: A) SO42-
⩥ When solid NaCl is stirred into water, which of the following is NOT
true?
A) Individual sodium and chloride ions are present.
, B) The solution will conduct electricity.
C) The solution will taste salty.
D) The NaCl will fail to dissociate.
E) none of the above. Answer: D) The NaCl will fail to dissociate.
⩥ Several grams of sodium chloride are stirred into a glass of water and
are no longer visible to the eye. Which of the following statements is
FALSE?
A) The sodium chloride solid has dissociated into its component ions.
B) An aqueous solution has been prepared.
C) No precipitate has formed.
D) Sodium chloride is insoluble in water.
E) All of the statements are true.. Answer: D) Sodium chloride is
insoluble in water.
⩥ If you had an aqueous mixture that contained Ag+, K+, and Pb2+
cations, how many different solids could precipitate if a chloride
solution was added?
A) 1
B) 2
C) 3
D) 4
E) no solids will precipitate. Answer: B) 2
