A radiator of motor vehicle is filled with 8L of water containing 2L of ethylene glycol (density = 1.12 g ml-1) .What is the lowest temperature at which the vehicle can be parked without the danger of getting water to freeze in the radiator. [Kf for water is 1.86 Km-1]
1
-8.4°C
2
-23.2°C
3
-11.6°C
4
-4.2°C
5
Not Attempted