Which of the following has the Maximum Number of Unpaired Electrons? 1. Mg2+ 2. Ti3+ 3. V3+ 4. Fe2+

Why Fe2+ has the Maximum Number of Unpaired Electrons

• In the periodic table, d-block elements are situated between s-block and p-block elements.
• Because they behave in a way that transitions between s-block and p-block components, these d-block elements are known as transition elements.
• D-block element valence shell electronic configuration is (n- 1)d^1-10 ns^1-2.
• The 3d series, 4d series, and 5d series are three different sets of transitional elements.
• 3D series begins with Scandium (Sc) and end with Zinc (Zn).
• From Yttrium (Y) through Cadmium, the 4d series begins (Cd).
• Except for Cerium (Ce) and Lutetium, the 5d series begins with Lanthanum (La) and ends with Mercury (Hg) (Lu).

The table below lists the ions’ electrical configurations and the number of unpaired electrons in each one:

We can see from the preceding graph that Fe²⁺ contains the most unpaired electrons, four of which are distributed as follows:

Summary:-

Which of the following has the Maximum Number of Unpaired Electrons? Mg²⁺ Ti³⁺ V³⁺ Fe²⁺

The maximum number of unpaired electrons is present in Fe²⁺. It contains valence electrons in d-orbital and are called transition metals.

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