Determine whether the following statements ar | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) True: $A$ transition element is defined as an element which has an incompletely filled $d$-subshell in its ground state or in any of its oxidation

Vedclass · Accepted Answer

$(a) T, (b) T, (c) F, (d) F$

Vedclass · Answer

(A) True: $A$ transition element is defined as an element which has an incompletely filled $d$-subshell in its ground state or in any of its oxidation states.$(b)$ True: $Sc$ $(Z=21)$ has the configuration $[Ar] 3d^1 4s^2$. In its $+3$ oxidation state,it has $3d^0$ configuration,but the definition applies to the element or its ions. Since it has an incompletely filled $d$-orbital in the ground state,it is a transition element.$(c)$ False: $Zn$ $(Z=30)$ has the configuration $[Ar] 3d^{10} 4s^2$. In its common $+2$ oxidation state,it has $3d^{10}$ configuration. Since it has a completely filled $d$-orbital in both ground and stable oxidation states,it is not considered a transition element.$(d)$ False: The energy difference between $(n-1)d$ and $ns$ orbitals is very small,which allows for variable oxidation states and complex formation.

Similar Questions

Among the following metals,the most dense is

Which of the following types of metals form the most effective catalysts?

$3d^{10}4s^0$ electronic configuration is exhibited by

The electronic configurations of four elements are:
$(i) \; [Xe] \; 6s^1$
$(ii) \; [Xe] \; 4f^{14}5d^16s^2$
$(iii) \; [Ne] \; 3s^23p^5$
$(iv) \; [Ar] \; 3d^74s^2$
Which one of the following statements about these elements is not true?

What are the outermost $d$-orbitals for the second and third transition series,respectively?

Vedclass Test Series

Exam Paper Generator

Online Exam Module