The number of unpaired electrons in ferrous ion is

  • A

    $5$

  • B

    $4$

  • C

    $3$

  • D

    $2$

Similar Questions

$(a)$ Transition metals can act as catalysts because these can change their oxidation state. How does $Fe(III)$ catalyse the reaction between iodide and persulphate ions ?

$(b)$ Mention any three processes where transition metals act as catalysts.

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The metal that shows highest and maximum number of oxidation state is:

  • [JEE MAIN 2024]

The highest magnetic moment is shown by the transition metal ion with the outer electronic configuration

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  • [AIPMT 2010]