Temperature dependence of EMF (Delta S and Delta H from cells)

8 questions on Temperature dependence of EMF (Delta S and Delta H from cells) from the Electrochemistry chapter: 2 NEET level, 3 JEE Main, 3 JEE Advanced. Each one opens with its answer and solution.

• For a reversible galvanic cell with n electrons transferred, the entropy change of the cell reaction is related to the temperature coefficient of the EMF by NEET level
• A cell reaction involving 2 electrons has ((partial E deg)/(partial T))_P = 2.0 x 10^-4 V K^-1. Taking F = 96500 C mol^-1, Delta_r S deg is NEET level
• A one-electron cell has E deg = 1.000 V at 298 K and ((partial E deg)/(partial T))_P = +1.3 x 10^-4 V K^-1. The standard enthalpy change of the cell reaction at... JEE Main level
• A cell reaction with n = 2 has Delta_r H deg = -200.0 kJ mol^-1 and Delta_r G deg = -180.0 kJ mol^-1 at 298 K. The temperature coefficient of the standard EMF, ... JEE Main level
• The EMF of a certain galvanic cell is found to increase when the temperature is raised. Which statement about the cell reaction is correct? JEE Main level
• For a cell reaction with n = 2, Delta_r H deg = -220.0 kJ mol^-1 and Delta_r S deg = -40.0 J K^-1 mol^-1, both assumed independent of temperature. The standard ... JEE Advanced level
• A two-electron cell has E deg = 0.100 V at 298 K and ((partial E deg)/(partial T))_P = +4.0 x 10^-4 V K^-1. Taking F = 96500 C mol^-1, Delta_r H deg at 298 K an... JEE Advanced level
• A galvanic cell with n = 2 has E deg = 1.000 V at 298 K, and the cell reaction has Delta_r H deg = -200.0 kJ mol^-1. Take F = 96500 C mol^-1 and assume Delta_r ... JEE Advanced level