Although Zirconium belongs to the $4d$ transition series and Hafnium to the $5d$ transition series,they show similar physical and chemical properties because . . . . . . .
- Aboth belong to the $d-$block
- Bboth have the same number of electrons
- Cboth have similar atomic radii
- Dboth belong to the same group of the periodic table
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Similar Questions
Assertion : $E^o$ for $Mn^{3+}/Mn^{2+}$ is more positive than $Cr^{3+}/Cr^{2+}$.
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.
DifficultAIIMS 2006
View SolutionThe number of electrons in the outermost shell of the $3d-$ transition elements generally remains:
Easy
View SolutionThe correct order of the first ionization enthalpies is:
DifficultJEE MAIN 2019
View SolutionMatch the elements in List-$I$ with their electronic configurations in List-$II$.
List-$I$ List-$II$ $(1)$ $Ti^+$ $(A)$ $(n-1)d^4ns^2$ $(2)$ $_{30}Zn$ $(B)$ $(n-1)d^{10}ns^1$ $(3)$ $_{24}Cr$ $(C)$ $(n-1)d^2ns^0$ $(4)$ $_{29}Cu$ $(D)$ $(n-1)d^5ns^1$ $(E)$ $(n-1)d^0ns^2$ $(F)$ $(n-1)d^{10}ns^2$
| List-$I$ | List-$II$ |
| $(1)$ $Ti^+$ | $(A)$ $(n-1)d^4ns^2$ |
| $(2)$ $_{30}Zn$ | $(B)$ $(n-1)d^{10}ns^1$ |
| $(3)$ $_{24}Cr$ | $(C)$ $(n-1)d^2ns^0$ |
| $(4)$ $_{29}Cu$ | $(D)$ $(n-1)d^5ns^1$ |
| $(E)$ $(n-1)d^0ns^2$ | |
| $(F)$ $(n-1)d^{10}ns^2$ |
Easy
View SolutionFind the correct order of the given elements with respect to their size.
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