MCQ
$Ph-Mg-Br + Et-O-Et \rightarrow$ Product will be
- A$Ph-O-et$
- B$Ph-Oh$
- C$Ph-et$
- ✓None
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$\Delta G_{f}^{o}\left(A g_{2} O\right)=-11.21\, kJ\,mol ^{-1}$
$\Delta G_{f}^{o}(Z n O)=-318.3\, kJ \,mol ^{-1}$
Then, $E^{o}$ cell of the button cell is.........$V$
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