Which of the following statements are correct? 
i. The reverse direction of a spontaneous reaction will be nonspontaneous under the same reaction conditions. 
ii. Spontaneous processes are slow. 
iii. All reversible reactions are spontaneous. 
iv. There is no heat loss in an isothermal process. 
v. A reversible process can produce more work than an irreversible process

• A. i, ii, iii
• B. ii, iii, iv
• C. ii, iv, v
• D. i, iv, v
• E. i, ii, iv