Multiple Choice
Which statement best distinguishes a saturated solution from a supersaturated solution?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which one of the following substances is more likely to dissolve in benzene (C6H6)?
A
Sodium chloride (NaCl)
B
Iodine (I2)
C
Ammonium sulfate ((NH4)2SO4)
D
Potassium nitrate (KNO3)
Verified step by step guidance1
Identify the nature of benzene (C6H6): benzene is a nonpolar solvent due to its symmetrical ring structure and lack of significant dipole moment.
Recall the solubility principle 'like dissolves like,' which means that polar substances tend to dissolve in polar solvents, and nonpolar substances tend to dissolve in nonpolar solvents.
Analyze the polarity of each substance: Sodium chloride (NaCl), ammonium sulfate ((NH4)2SO4), and potassium nitrate (KNO3) are ionic compounds and highly polar, while iodine (I2) is a nonpolar molecule.
Since benzene is nonpolar, it will more likely dissolve nonpolar substances like iodine (I2) rather than ionic, polar compounds.
Conclude that iodine (I2) is the substance most likely to dissolve in benzene based on the similarity in polarity.
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