Which of the following exhibits only +3 oxidation state?

  • Option 1)

    Th

  • Option 2)

    Ac

  • Option 3)

    Pa

  • Option 4)

    U

 

Answers (1)

Due to electronic configuration [Rm] 6d^{1} 7S^{2} of Actinium it only shows +3 oxidation state


Option 1)

Th

This option is incorrect

Option 2)

Ac

This option is correct

Option 3)

Pa

This option is incorrect

Option 4)

U

This option is incorrect

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