What is the unit of cryoscopic constant?

What is the unit of cryoscopic constant?
  1. $\mathrm{K} \mathrm{kg} \mathrm{mol}^{-1}$
  2. $\mathrm{K}_{\mathrm{kg} \mathrm{d}^3}$
  3. $\mathrm{K} \mathrm{kg} \mathrm{mol}$
  4. $\mathrm{k} \mathrm{Kg} \mathrm{dm}^{-3}$

Solution

the unit of the cryoscopic constant is $\mathrm{K} \mathrm{kg} \mathrm{mol}^{-1}$. It is also known as the molal freezing point depression constant.

Asked in: MHT CET 2022 (05 Aug Shift 2)

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