Single Choice

The stability of ferric ion is due to:

Ahalf-filled d-orbitals
Correct Answer
Bhalf-filled f-orbitals
Ccompletely filled d-orbitals
Dcompletely filled f-orbitals

Solution

Ferric ion $$Fe^{3+}$$ has half filled d orbital.
The electronic configuration of Fe is $$[Ar]3d^64s^2$$.
The electronic configuration of $$Fe^{3+}$$ is $$[Ar]3d^5$$

SIMILAR QUESTIONS

Atomic Structure

Which of the following statements is/are incorrect?

Atomic Structure

If Hunds rule is applicable, $$p^3$$ configuration is $$\upharpoonleft$$ $$\upharpoonleft$$ $$\upharpoonleft$$ because in this arrangement:

Atomic Structure

The first ionisation potential in electron volts of nitrogen and oxygen atoms are, respectively, given by :

Atomic Structure

Identify the least reactive element from the following.

Atomic Structure

According to Bohr - Bury scheme, the maximum number of electrons which can be accomodated in a given shell is given by the formula:

Atomic Structure

Which of the following ions contains minimum number of unpaired electrons?

Atomic Structure

Answer the following: The $$+3$$ oxidation state of lanthanum $$(Z=57)$$, gadolinium $$(Z=64)$$ and lutetium $$(Z=71)$$ are especially stable.

Atomic Structure

Compare : Chlorine atom and chloride ion, with respect to (i) atomic structure, (ii)electrical state

Atomic Structure

Compare : Chlorine atom and chloride ion, with respect to chemical action

Atomic Structure

Compare : Chlorine atom and chloride ion, with respect to toxicity.

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