Question
A 0.5 molal solution of ethylene glycol in water is used as coolant in a car. If the freezing point constant of water be 1.86^ C per mole, the mixture shall freeze at
BITSAT
Chemistry
Solutions
2023
BITSAT 2023 (Memory Based Paper 2)
BITSAT Chemistry Question (2023) — Solution
Options
- A. 0.93^ C
- B. -0.93^ C
- C. 1.86^ C
- D. -1.86^ C
Answer
B. -0.93^ C
Step-by-step solution
aligned & T_f=K_f m=1.86 0.5=0.93^ C ; \\ & T_f=-0.93^ C aligned
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