JEE Main Chemistry question

Ethylene glycol, added to water as an antifreeze, serves to

(A)Decrease the freezing point of water in the winter and increase the boiling point of water in the summerCorrect
(B)Only decrease the freezing point of water
(C)Only increase the boiling point of water
(D)Be used for cleaning the radiator in a car

Answer: (A)

Solution

Adding a non-volatile solute like ethylene glycol simultaneously depresses the solution's freezing point (preventing the radiator coolant from freezing in

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Question ID VK-143082