Multiple Choice
Which of the following best describes the properties of an ionic compound?
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1. Intro to General Chemistry
Chemical Properties
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Which effect does ethylene glycol have when added to the solution in a vehicle’s radiator?
A
It increases the boiling point of the solution.
B
It causes the solution to evaporate more quickly.
C
It neutralizes acids present in the solution.
D
It lowers the freezing point of the solution.
Verified step by step guidance1
Understand that ethylene glycol is commonly used as an antifreeze agent in vehicle radiators.
Recall the colligative properties of solutions, which depend on the number of solute particles and include boiling point elevation and freezing point depression.
Recognize that adding ethylene glycol to water lowers the freezing point of the solution, preventing it from freezing in cold temperatures.
Note that while ethylene glycol can also slightly increase the boiling point, its primary and most significant effect in radiators is freezing point depression.
Conclude that the correct effect of ethylene glycol in a radiator solution is to lower the freezing point, helping to protect the engine in cold weather.
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