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Variation of Atomic Size

The correct o...

Question

The correct order of ionic radii of the species $N^{3 -}, O^{2 -}, N a^{+}$ and $F^{-}$ is:

A

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B

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C

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D

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Solution

The correct option is A
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All the ions have a 2, 8 configuration. These are isoelectronic species, which differ in atomic size and atomic number. Higher the positive charge, smaller is the ionic size. Higher the negative charge, larger is the ionic size.

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Similar questions

Q. The ionic radii of isoelectronic species

N^{3 -}, O^{2 -}

F^{-}

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are respectively:

Q. Arrange the following species in the increasing order of their ionic radii, giving reasons.

{M g}^{2 +}, O^{2 -} {A l}^{3 +}; N^{3 -}, F^{-}, {N a}^{+}

Consider the following species: $N^{3 -}, O^{2 -}, F^{-}, N a^{+}, M g^{2 +} a n d A l^{3 +}$
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(b)Arrange them in the order of increasing ionic radii.

Q. The correct order of atomic radii for the following isoelectronic species

F^{-}, O^{2 -}, N a^{+}, M g^{2 +}

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Variation of Atomic Size

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