Question
$IP$ of $Be$ is higher than
$(a)\,\,B\,\,\,\,\,\,\,\,\,\,(b)\,\,Mg\,\,\,\,\,\,\,\,\,\,\,\,(c)\,\,Li\,\,\,\,\,\,\,\,\,\,\,\,(d)\,\,Al\,\,\,\,\,\,\,\,\,\,\,(e)\,\,K$
$(a)\,\,B\,\,\,\,\,\,\,\,\,\,(b)\,\,Mg\,\,\,\,\,\,\,\,\,\,\,\,(c)\,\,Li\,\,\,\,\,\,\,\,\,\,\,\,(d)\,\,Al\,\,\,\,\,\,\,\,\,\,\,(e)\,\,K$
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Given : $Cr _2 O _7^{2-} \rightarrow Cr ^{3+} ; E ^0=1.330\,V$ and
$\frac{2.303 RT }{ F }=0.059\,V$
The potential for the half cell reaction is $x \times 10^{-3}\,V$. The value of $x$ is $........$