How many of the following statements is/are correct. (i) For an irreversible, isothermal, isobaric process in a closed system, Δ G must be negative. (ii) The entropy of an isolated system can never de

Question

How many of the following statements is/are correct.

(i) For an irreversible, isothermal, isobaric process in a closed system, $Δ G$ must be negative.

(ii) The entropy of an isolated system can never decrease.

(iii) For a system enclosed in impermeable adiabatic walls, the system's entropy is maximised at equilibrium.

(iv) The entropy of a closed system can never decrease.

(v) During irrerversible process entropy of system must increase.

(vi) A catalyst increases the rate of chemical reaction by lowering enthalpy of reaction.

(vii) If sign of $Δ H$ is positive, then the products have more potential energy than the reactants.

(viii) Solubility of a salt may decrease on increasing temperature.

TestHub · Accepted Answer

(ii), (iii), (vii) and (viii) are correct.

Chemistry - Thermodynamics - II Question with Solution | TestHub