Question

Which ion has the lower ratio of charge to volume? Explain. (g) Fe³⁺ or Fe²⁺

Answer 1

Due to having lost fewer electrons than Fe3+, Fe2+ is larger. As a result, Fe3+ has a stronger nuclear pull, which causes the atomic size to decrease. As a result, Fe2+ is bigger.

The effective distance of an ion's nucleus from which it can influence its electron cloud is known as its ionic radius. Due to the removal of one or more electrons from the equivalent atom, a cation is usually substantially smaller than the corresponding atom. Additionally, the size of the resulting positive ion will be less the more electrons are removed.

Since the residual inner shell does not reach as far into space, a cation generated by the loss of electrons may cause the outer shell to completely vanish.

Learn more about electrons here-

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