Question

define ebullioscopic constant.

Answer 1

Explanation:

Ebullioscopic constant (Eₙ) is defined as the constant that states the amount by which the boiling point (Tb) of a solvent is raised by a non- dissociating solute.

Ebullioscopic constant (Eₙ) is calculated with the help of the relation:

                                             ΔTₙ = Eₙ b

where b is the molality of the given solute.

It can also be defined as the ratio between the elevation of the boiling point of a solvent caused by dissolving a solute and the molality of the solution, taken at extremely low concentrations.

Answer 2

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$\small\mathbf\red{{Ebullioscopic\:Constant:- }}$ The elevation of boiling point observed in one molal solution containing non-volatile solute is called" Ebullioscopic constant".

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