Question

The unit of ebulioscopic constant is _________.

• A. K kg $mol^{- 1}$ or K (molality)$- 1$
• B. mol kg $K^{- 1}$ or $K^{- 1}$ (molality)
• C. Kg $mol^{- 1}K^{- 1}$ or $K^{- 1}(molality)^{- 1}$
• D. $Kmolkg^{- 1}or$K (molality )

Answer 1

Answer: (A)

K kg $mol^{- 1}$ or K (molality)$- 1$

Answer 2

Unit of ebulioscopic constant $(K_{b})$ is K kg $mol^{- 1}$ or K (molality)$- 1$

($\because molality = molkg^{- 1}$)