question_answer

Consider the reaction \[M_{(aq)}^{n+}+n{{e}^{-}}\to {{M}_{(s)}}\]. The standard reduction potential values of the elements \[{{M}_{1}},\,{{M}_{2}}\] and \[{{M}_{3}}\] are \[-0.34V,\,-\,3.05\,V\] and \[-1.66\,V\] respectively. The order of their reducing power will be      [NCERT 1990]

A)                 \[{{M}_{1}}>{{M}_{2}}>{{M}_{3}}\]        

B)                 \[{{M}_{3}}>{{M}_{2}}>{{M}_{1}}\]

C)                 \[{{M}_{1}}>{{M}_{3}}>{{M}_{2}}\]        

D)                 \[{{M}_{2}}>{{M}_{3}}>{{M}_{1}}\]