Q31 / 97 · NTA Abhyas (JEE Main) 2020 · Chemistry · Solutions

Role of ethylene glycol in the radiator of vehicles is to

Correct answer
A
Decrease the freezing point of water in the winter and increase the boiling point of water in the summer
B
Only decrease the freezing point of water
C
Only increase the boiling point of water
D
Prevent corrosion of automobile parts

Solution

When ethylene glycol is added to

H_{2} O

as antifreeze, it decreases the freezing point of

H_{2} O

in winter and increase the boiling point of water in the summer.

Hence, the correct answer is option: 'A'.