AP EAMCET202017 Sep 2020Evening ShiftChemistryElectrochemistryActual
For the cell reaction, (3 Sn ⁴⁺+2 Cr 3 Sn ²⁺+2 Cr ³⁺, E_ cell ^ ) is (0.89 ~V ). Then ( G^ ) for the reaction is
Options
- A(-515.31 ~kJ / mol )
- B(-125.41 ~kJ / mol )
- C(-457.41 ~kJ / mol )
- D(-347.40 ~kJ / mol )
Correct answer
A. (-515.31 ~kJ / mol )
Step-by-step solution
( aligned G^ & =-n F E_ cell ^ & =-6 96500 0.89 10⁻³ ~kJ ~mol ⁻¹ & =-515.31 ~kJ ~mol ⁻¹ aligned )