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← ScienceWhich outcome occurs when ethylene glycol antifreeze is added to a car radiator during cold weather?
A)Elevation of the coolant's boiling point
B)Reduction of the cooling system pressure
C)Increase in the coolant's specific heat
D)Suppression of the coolant's freezing point✓
💡 Explanation
When ethylene glycol is added, freezing point depression occurs because the solute disrupts the water's hydrogen bonds, hindering ice crystal formation. Therefore freezing point suppression results, rather than elevated boiling, lower pressure, or increased specific heat which don't directly relate to water's phase transition.
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