Multiple Choice
During the electrolysis of molten KBr, which species are produced at the anode and cathode, respectively?
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6. Chemical Quantities & Aqueous Reactions
Electrolytes
Multiple Choice
The distinguishing characteristic of all electrolyte solutions is that they:
A
form precipitates when mixed with acids
B
contain only nonpolar molecules
C
conduct electricity due to the presence of ions
D
do not dissolve in water
Verified step by step guidance1
Understand what an electrolyte solution is: it is a solution that contains ions, which are charged particles.
Recall that the presence of ions in a solution allows it to conduct electricity because ions can move and carry charge through the solution.
Evaluate the given options: forming precipitates when mixed with acids is not a defining characteristic of all electrolyte solutions, as this depends on the specific ions present.
Note that electrolyte solutions do not contain only nonpolar molecules; in fact, they contain charged ions, which are polar or ionic species.
Recognize that electrolyte solutions do dissolve in water, as water is a polar solvent that stabilizes ions, allowing them to dissociate and conduct electricity.
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