Question

Which is greater in size?
Fe^2+ or Fe^3+​

Answer 1

Answer:

Fe2+ will be larger than Fe3+. This is because the outermost electron in the Fe2+ ion is pulled off to form Fe3+ ion. As the electrons are removed, it reduces the repulsion increasing nuclear charge experienced by each of the other d electrons and decreases the size of the ion.

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Answer 2

Answer:

Fe ^ 2+ is greater in size than Fe^3+ .

this is because the outermost electron in Fe^2+ is pulled off to form Fe^3+.

therefore, Fe^2+ is greater in size.

Explanation:

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