Q.

Molal elevation constant of a liquid is: 

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a

the elevation of b.p. which would be produced by dissolving 1 mole solute in 10 g of solvent

b

none of the above 

c

the elevation in b.p. which would be produced by dissolving one mole of solute in 100 g of solvent

d

elevation in b.p. which would be produced by dissolving 1 mole solute in 1000 g of solvent 

answer is C.

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Detailed Solution

ΔTb=1000K'b×wm.W;ifw/m=1,W=1000g,ΔTb=K'b

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