Which of the following transition elements have nearly the same atomic radii?
- A$Mn, \, Fe, \, Co, \, Ni$
- B$Cr, \, Mn, \, Fe, \, Cu$
- C$Cr, \, Mn, \, Fe, \, Co$
- D$Mn, \, Fe, \, Cu, \, Ni$
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Similar Questions
Which one of the following sets correctly represents the increase in the paramagnetic property of the ions?
Which transition metal configuration exhibits the highest oxidation state?
Easy
View SolutionMatch 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 SolutionNiobium and tantalum metals are used in making surgical instruments because they are
Easy
View SolutionThe electronic configuration of transition element $X$ is $[Ar] 3d^5$,and its oxidation state is $+3$. What is its atomic number?
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