Chemistry Class 11 NCERT Solutions: Chapter 8 Redox Reactions Part 13

Q: 26. Using the standard electrode potentials given in the Table 8.1, predict if the reaction between the following is feasible:

(A) Equation

(B) Equation

(C) Equation

(D) Equation

(E) Equation

Answer

(A) The possible reaction between Equation is given by,

Equation

Equation

Equation for the overall reaction is positive. Thus, the reaction between Equation and Equation

is feasible.

(B) The possible reaction between Equation is given by,

Equation

Equation

Equation positive for the overall reaction is positive. Hence, the reaction between Equation and Equation

is feasible

(C) The possible reaction between Equation and Equation is given by

Equation

Equation

Equation positive for the overall reaction is positive. Hence, the reaction between Equation and Equation is feasible.

(D) The possible reaction between Equation and Equation is given by,

Equation

Equation

Here, E° for the overall reaction is negative. Hence, the reaction between Equation and Equation is not feasible.

(E) The possible reaction between Equation and Equation is given by,

Equation

Equation

Here, E° for the overall reaction is positive. Hence, the reaction between Equation and Equation is feasible.

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