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Question: Answered & Verified by Expert
The standard $E_{\text {red }}^{\circ}$ values of $A, B$ and $C$ are $+0.68 \mathrm{~V},-2.54 \mathrm{~V},-0.50 \mathrm{~V}$ respectively. The
order of their reducing power is
ChemistryElectrochemistryMHT CETMHT CET 2007
Options:
  • A $A>B>C$
  • B $A>C>B$
  • C $C>B>A$
  • D $B>C>A$
Solution:
1749 Upvotes Verified Answer
The correct answer is: $B>C>A$
Reducing character is based upon higher negative value of reduction electrode potential.
Thus, order of reducing character is
$$
B>C>A
$$

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