When are $d$-block elements considered as transition elements?
- AIn the ground state,the $d$-orbital is completely filled with electrons.
- BIn the ground state or any stable oxidation state,the $d$-orbital is incompletely filled with electrons.
- CIn all oxidation states,the $d$-orbital is completely filled with electrons.
- DIn only one oxidation state,the $d$-orbital is completely filled with electrons.
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Similar Questions
Elements which generally exhibit multiple oxidation states and whose ions are usually coloured are
Easy
View SolutionDetermine whether the following statements are True $(T)$ or False $(F)$:
$(a)$ Transition elements exhibit variable oxidation states.
$(b)$ The $E^o$ values for $Mn, Zn,$ and $Ni$ are more positive than expected from the general trend.
$(c)$ Any metal exhibits its maximum high oxidation state in oxide and chloride compounds.
$(a)$ Transition elements exhibit variable oxidation states.
$(b)$ The $E^o$ values for $Mn, Zn,$ and $Ni$ are more positive than expected from the general trend.
$(c)$ Any metal exhibits its maximum high oxidation state in oxide and chloride compounds.
Difficult
View SolutionWhich of the following ions has electronic configuration $[Ar]3d^6$ ?
(At. nos. $Mn = 25, Fe = 26, Co = 27, Ni = 28$)
(At. nos. $Mn = 25, Fe = 26, Co = 27, Ni = 28$)
Which of the following elements exhibits ferromagnetic properties?
The correct order of $E^{\circ}_{M^{2+}/M}$ values for the four successive elements $Cr$,$Mn$,$Fe$,and $Co$ is:
MediumAIEEE 2010
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