Van't Hoff's equation for a chemical reaction under equilibrium is given by standard reaction enthalpy at temperature T and K is the equilibrium constant. Predict how K will vary with temperature for an exothermic reaction.

Question

Van't Hoff's equation for a chemical reaction under equilibrium is given by standard reaction enthalpy at temperature T and K is the equilibrium constant. Predict how K will vary with temperature for an exothermic reaction. (A) K decreases as the temperature rises (B) K remain unchanged (C) K increases as the temperature rise (D) Information is not sufficient

Tardigrade Admin · Accepted Answer

Here K decreases as the temperature rises as K propto (1/T) .

Q. Van't Hoff's equation for a chemical reaction under equilibrium is given by standard reaction enthalpy at temperature T and K is the equilibrium constant. Predict how K will vary with temperature for an exothermic reaction.

K decreases as the temperature rises

K remain unchanged

K increases as the temperature rise

Information is not sufficient

Here K decreases as the temperature rises as K $\propto \frac{1}{T}$ .

Q. Van't Hoff's equation for a chemical reaction under equilibrium is given by standard reaction enthalpy at temperature T and K is the equilibrium constant. Predict how K will vary with temperature for an exothermic reaction.

K decreases as the temperature rises

K remain unchanged

K increases as the temperature rise

Information is not sufficient

Here K decreases as the temperature rises as K ∝T1​ .

Here K decreases as the temperature rises as K $\propto \frac{1}{T}$ .