The maximum number of possible oxidation states of actinoides are shown by :

  • Option 1)

    nobelium (No) and lawrencium (Lr)

  • Option 2)

    Actinium (Ac) and thorium (Th)

  • Option 3)

    Berkelium (Bk) and californium (Cr)

  • Option 4)

    Neptunium (Np) and plutonium (Pu)

Answers (1)

 

Oxidation states of actinoids -

Ac shows +3 oxidation state generally but some Ac. Also, stable till +7 oxidation states.

-

 

 

 

 

Neptunium (Np) and plutonium (Pu) show maximum  +7 oxidation state .

No\Rightarrow +2,+3,

Lr\Rightarrow +3,

Ac\Rightarrow +3,

Th\Rightarrow +3,+4

Bk\Rightarrow +3,+4

Cf\Rightarrow +2,+3

Np\Rightarrow +3,+4,+5,+6,+7

Pu\Rightarrow +3,+4,+5,+6,+7


Option 1)

nobelium (No) and lawrencium (Lr)

Option 2)

Actinium (Ac) and thorium (Th)

Option 3)

Berkelium (Bk) and californium (Cr)

Option 4)

Neptunium (Np) and plutonium (Pu)

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