What is the electronic configuration for an $F e (I I I)$ ion in its ground state?

[A r] 3 d^{5}

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[A r] 3 d^{6}

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[A r] 4 s^{2} 3 d^{3}

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[A r] 4 s^{2} 3 d^{6}

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Solution

The correct option is A $[A r] 3 d^{5}$
Electronic configuration of $F e$
$F e = [A r] 3 d^{6} 4 s^{2}$

so Electronic configuration of $F e (I I I)$
$F e^{+ 3} = [A r] 3 d^{5}$

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Similar questions

State whether the given statement is true or false:

The electronic configuration of the element, Co(III) is

[A r] 3 d^{5}

Q. Element with the electronic configuration as

[A r]^{18} 3 d^{5} 4 s^{1}

is placed in?

Q. Electronic configuration of a transition element

X

in +3 oxidation State is

[A r] 3 d^{5}

. What is its atomic number?

Q. The electronic configuration of a transition element

X

in its +3 oxidation state is

[A r] 3 d^{5}

. What is its atomic number?

The d - electron configurations of $M n^{2 +}, F e^{2 +}, C o^{3 +}, a n d N i^{2 +} a r e 3 d^{5}, 3 d^{6}, 3 d^{6}, 3 d^{8},$ respectively. Which of the following aqua complexes will exhibit the minimum paramagnetic behavior?

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What is the electronic configuration for an Fe(III) ion in its ground state?

The correct option is A [Ar]3d5Electronic configuration of FeFe=[Ar]3d64s2so Electronic configuration of Fe(III)Fe+3=[Ar]3d5

What is the electronic configuration for an $F e (I I I)$ ion in its ground state?

The correct option is A $[A r] 3 d^{5}$
Electronic configuration of $F e$
$F e = [A r] 3 d^{6} 4 s^{2}$

so Electronic configuration of $F e (I I I)$
$F e^{+ 3} = [A r] 3 d^{5}$