Standard electrode potential for Sn 4+/ Sn2+couple is + 0.15 Vand that for the Cr 3+/ Cr coupleis -“ 0.74 VThese two couples in their standardstate are connected to make a cellThe cellpotential will be:154

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Standard electrode potential for Sn 4+/ Sn2+couple is + 0.15 Vand that for the Cr 3+/ Cr coupleis -“ 0.74 VThese two couples in their standardstate are connected to make a cellThe cellpotential will be:154