1.

\[C{{r}_{2}}O_{7}^{2-}+{{I}^{-}}\to {{I}_{2}}+C{{r}^{3+}}\]                 \[{{E}^{0}}_{cell}=0.79\ V\]                 \[E_{C{{r}_{2}}O_{7}^{2-}}^{0}=1.33\ V,\ {{E}^{0}}_{{{I}_{2}}}\] is                                              [BVP 2004]

A.                 \[-0.10\ V\]        
B.                 \[+0.18\ V\]
C.                 \[-0.54\ V\]        
D.                 \[0.54\ V\]
Answer» E.


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