Question

Which of the following statement (s) is/are correct?

Statement (i) : The entropy of isolated system with P–V work only, is always maximized at equilibrium.

Statement (ii) : It is possible for the entropy of close system to decrease substantially in an irreversible process.

Statement (iii) : Entropy can be created but not destroyed.

Statement (iv) :$\Delta$Ssystem is zero for reversible process in an isolated system.

• A. Statement i, ii, iii,
• B. Statement ii, iv
• C. Statement i, ii, iv
• D. All of these

Answer 1

Answer: (D)

All of these

Answer 2

All these are statements of second law of thermodynamics.