Question

For a given reaction: $M^{(x+n)}+n{e}^{-}\to M^{x+},E_{red}^{\ominus }$ is known along with $M^{x+n}and{M}^{x+}$ ion concentration. Then:

• A. $n$ can be evaluated
• B. $x$ can be evaluated
• C. $(x+n)$ can be evaluated
• D. $n,x,(x+n)$ can be evaluated

Answer 1

Answer: (A)

$n$ can be evaluated

As we know,
$E_{red}=E_{red}^{\ominus }+\frac{0.059}{n}log\frac{[M^{x+n]}}{\left[M^{x+}\right]}$
here apart from n, all are known so we can calculate value of n by this equation.