Question

20. EX
21. Derive Van't Hoff isochore. What is its use?​

Answer 1

21. An equation formulated by van't Hoff for the variation of equilibrium constant with temperature:(d loge K)/dT=ΔH/RT 2, where K is the equilibrium constant, R is the gas constant, T is the thermodynamic temperature, and ΔH the enthalpy of the reaction.Van't Hoff factor is a measure of the effect of a solute upon colligative properties such as osmotic pressure, relative lowering in vapor pressure, elevation of boiling point and freezing point depression.