The unit of ebullioscopic constant is:

K K g {m o l}^{- 1}

K {(m o l a l i t y)}^{- 1}

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m o l K g K^{- 1}

K^{- 1} (m o l a l i t y)

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k g {m o l}^{- 1} K^{- 1}

K^{- 1} {(m o l a l i t y)}^{- 1}

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K

m o l

{k g}^{- 1}

K (m o l a l i t y)

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Solution

The correct option is A $K K g {m o l}^{- 1}$ or $K {(m o l a l i t y)}^{- 1}$ .
The unit of ebullioscopic constant, $K_{b} = K$ $k g$ ${m o l}^{- 1}$ or $K {(m o l a l i t y)}^{- 1}$ .

Since, $K_{b} = \frac{Δ T_{f}}{m}$

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Question 10
The unit of ebuilioscopic constant is
(a) $K k g m o l^{- 1} o r K (m o l a l i t y)^{- 1}$ (b) $m o l k g K^{- 1} o r K^{- 1} (m o l a l i t y)$
(c) $k g m o l^{- 1} o r K^{- 1} (m o l a l i t y)^{- 1}$ (d) $K m o l k g^{- 1} o r (m o l a l i t y)$