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The second ionisation energy of the following elements follows the order
MediumWBJEE 2019
View SolutionThe correct order of $E^{\circ}_{M^{2+}/M}$ values for the four successive elements $Cr$,$Mn$,$Fe$,and $Co$ is:
MediumAIEEE 2010
View SolutionMatch the following:
List-$I$ (Transition metal,$M$) List-$II$ ($E_{M^{2+}/ M}^{\ominus}$ in $V$) $A$. $Ni$ $I$. $-1.18$ $B$. $Mn$ $II$. $-0.91$ $C$. $Fe$ $III$. $-0.25$ $D$. $Cr$ $IV$. $-0.44$
The correct answer is
| List-$I$ (Transition metal,$M$) | List-$II$ ($E_{M^{2+}/ M}^{\ominus}$ in $V$) |
| $A$. $Ni$ | $I$. $-1.18$ |
| $B$. $Mn$ | $II$. $-0.91$ |
| $C$. $Fe$ | $III$. $-0.25$ |
| $D$. $Cr$ | $IV$. $-0.44$ |
The correct answer is
Which of the following sets of elements does not possess $f$-electrons?
Why is $_{21}Sc$ not considered a transition element?
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