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  2. Question
  3. Chemistry
  4. Standard reduction potential for Al3+/Al, Fe2+/Fe, Br/Br- are -1.66 V, -0.45 V, 0.19 V. Order of their reducing capacity is

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Q. Standard reduction potential for $Al^{3+}/Al$, $Fe^{2+}/Fe$, $Br/Br^-$ are $-1.66\,V$, $-0.45\,V$, $0.19\,V$. Order of their reducing capacity is

UP CPMTUP CPMT 2010Redox Reactions

Solution:

Metals having high negative values of standard reduction potentials have the tendency to lose electrons readily. The non-metals having high positive values of standard reduction potentials have the tendency to accept electrons readily.
$\therefore \,$ Order of reducing character would be
$Al >\, Fe\, Br$