Ethylene glycol is added to water as an ...

Ethylene glycol is added to water as an antifreeze. It will

Decrease the freezing point of water in the winter and increase the boiling poing of water in the summer

Only decrease the freezing point of water

Only increase the boiling point of water

Be used for cleaning the radiator in a car

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The correct Answer is:

Ethylene glycol is a non-volatile solute. It increases the b.pt. of water (thus, radiator coolant needs less topping up) and decreases the f.pt. (no freezing of radiator coolant in winter).

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Ethylene glycol is used

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at -6^(@)C will be (K_(f) for water = 1.86 Kkg mol^(-1) , and molar mass of ethylene glycol =62 g mol^(-1))

Ethylene glycol is used as an antifreeze in a cold cliamate Mass of ethylene glycol which should be added to 4 kg for water to prevent it from freezing at -6^(@)C will be ( K_(f) for water = 1.86 K kg mol^(-1) and molar mass of ethylene glycol = 62 g mol^(-1) )

Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at -6^(@)"C" will be (K_(f)" for water=1.86 K kg mol"^(-1))," and molar mass of ethylene glycol=62g"//"mol"^(-1)) ?

Ethylene glycol in water is commonly used as an antifreeze solution is car radiators. 12.4 g of this substance is dissolved in 100 g of water ( k_(f) and k_(b) for water are 1.86 k m^(-1) and 0.52 k m^(-1) respectively). What is the mole fraction of ethylene glycol in the solution ?

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