1.

Why is the \[{{E}^{o}}\] value of \[M{{n}^{+3}}\text{/}M{{n}^{+2}}\] couple much more positive than \[C{{r}^{+3}}/C{{r}^{+2}}\]

A. Due to larger third ionization enthalpy of Mn
B. Due larger third ionization enthalpy of Cr
C. Due to smaller third ionization enthalpy of Mn
D. Due to lesser hydration enthalpy of Cr
Answer» B. Due larger third ionization enthalpy of Cr


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