What is the value of the spin-only magnetic moment of $Ni$ $(Z=28)$ in the $+2$ oxidation state (in $BM$)?
- A$3.1$
- B$0.0$
- C$2.8$
- D$1.7$
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On moving from left to right in a period within the $d$-block transition metals,how do their atomic volumes change?
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View SolutionThe set of elements which obey the general electronic configuration $(n-1)d^{1-10}ns^2$ is
Which element exhibits a $+7$ oxidation state?
Match the properties given in List-$I$ with the metals given in List-$II$:
List-$I$ (Property) List-$II$ (Metal) $A$. Element with maximum second ionization enthalpy $i$. $Co$ $B$. Element with maximum third ionization enthalpy $ii$. $Cr$ $C$. $M$ in $M(CO)_6$ $iii$. $Cu$ $D$. Element with maximum enthalpy of atomization $iv$. $Zn$ $v$. $Ni$
| List-$I$ (Property) | List-$II$ (Metal) |
| $A$. Element with maximum second ionization enthalpy | $i$. $Co$ |
| $B$. Element with maximum third ionization enthalpy | $ii$. $Cr$ |
| $C$. $M$ in $M(CO)_6$ | $iii$. $Cu$ |
| $D$. Element with maximum enthalpy of atomization | $iv$. $Zn$ |
| $v$. $Ni$ |
Medium
View SolutionThe decrease in atomic volume from $Cr$ to $Cu$ in the $3d$ series is very negligible because:
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