d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge - Page 393

Question 1961

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Which property is NOT typically associated with transition elements due to their partially filled d-orbitals?

Display of a variety of oxidation states
Formation of colored ions
Entering into complex formation
Formation of colorless ions

Question 1962

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What is the general electronic configuration for the outer orbitals of Zn, Cd, Hg, and Cn?

ns²np⁶
(n-1)d⁵ns¹
(n-1)d¹⁰ns²
(n-2)f¹⁴(n-1)d¹⁰ns²

Question 1963

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Why is the Fe³⁺ ion ([Ar] 3d⁵) relatively stable?

Because it has no d-electrons
Because it has a half-filled d-subshell
Because it is a noble gas
Because it has a completely filled d-subshell

Question 1964

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Why is the Cu⁺ ion ([Ar] 3d¹⁰) relatively stable?

Because it has no electrons
Because it has a completely filled d-subshell
Because it is a noble gas
Because it has a half-filled d-subshell

Question 1965

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What is the electronic configuration of the Cr³⁺ ion?

[Ar] 3d²
[Ar] 3d³
[Ar] 3d⁴
[Ar] 3d⁵