If given the following what would the reduction potential be on the new scale in which the reaction of water in base has an #E^o"_(red) = 0.000 V#?
Suppose there were a new scale for expressing electrode potentials in which the standard potential for the reduction of water in base:
#2H_2O(l) + 2e^(-) -> H_2(g) + 2OH^(-)(aq)#
is assigned an #E^o"_(red)# value of 0.000 V. In current standard reduction tables, the following reaction has a standard reduction potential of 1.34 V.
#M^(3+)(aq) + 3e^(-) -> M(s)#
Suppose there were a new scale for expressing electrode potentials in which the standard potential for the reduction of water in base:
is assigned an
1 Answer
Write out a number line. The original
If we offset this reduction of water in base forward by
Normal Reduction Potentials (V)
#" "" "-0.8277" "stackrel("(SHE)")(0.0000)" "" "1.34#
#<< --- | --- | --- | - >>#
New Reduction Potential Scale (V)
#" "" "" "0.0000" "stackrel("(SHE)")(0.8277)" "" "???#
#<< --- | --- | --- | - >>#
Thus,