(B) . The electronic configuration of $_{30}Zn$ is $[Ar] 3d^{10} 4s^2$ and $_{80}Hg$ is $[Xe] 4f^{14} 5d^{10} 6s^2$. Since their $d-$orbitals are comp

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(B) . The electronic configuration of $_{30}Zn$ is $[Ar] 3d^{10} 4s^2$ and $_{80}Hg$ is $[Xe] 4f^{14} 5d^{10} 6s^2$. Since their $d-$orbitals are completely filled,they do not exhibit variable valency.

Class 12 Chemistry d-and f-Block Elements General Characteristics

Easy

Zinc and mercury do not show variable valency like $d-$block elements because

A
They are soft
B
Their $d-$shells are complete
C
They have only two electrons in the outermost subshell
D
Their $d-$shells are incomplete

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Class 12

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Chapter

d-and f-Block Elements

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General Characteristics

Ferrous ion changes to $X$ ion upon reacting with acidified hydrogen peroxide. The number of $d$-electrons present in $X$ and its magnetic moment (in $BM$) are,respectively:

EasyAP EAMCET 2003

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Find the species having the magnetic moment value of $5.92 \ BM$.

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The correct order of decreasing second ionisation enthalpy of $Ti(22), V(23), Cr(24)$ and $Mn(25)$ is

MediumAIPMT 2008

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Transition metals are not characterized by

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The increase in the atomic radii of the third $(5d)$ series of transition elements is very small,which may be accounted for by the filling of '$X$' orbitals before '$Y$' orbitals. $X$ and $Y$ are:

EasyTS EAMCET 2022

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Zinc and mercury do not show variable valency like $d-$block elements because

Similar Questions

Ferrous ion changes to $X$ ion upon reacting with acidified hydrogen peroxide. The number of $d$-electrons present in $X$ and its magnetic moment (in $BM$) are,respectively:

Find the species having the magnetic moment value of $5.92 \ BM$.

The correct order of decreasing second ionisation enthalpy of $Ti(22), V(23), Cr(24)$ and $Mn(25)$ is

Transition metals are not characterized by

The increase in the atomic radii of the third $(5d)$ series of transition elements is very small,which may be accounted for by the filling of '$X$' orbitals before '$Y$' orbitals. $X$ and $Y$ are:

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