Which of the following, the highest oxidation state is achieved by:

  • Option 1)

    (n-1)d^{5}ns^{2}

  • Option 2)

    (n-1)d^{5}ns^{1}

  • Option 3)

    (n-1)d^{3}ns^{2}

  • Option 4)

    1 (n-1)d^{8}ns^{2}

 

Answers (1)

 

Electronic configuration of d block elements -

These elements have other electronic configuration of   (n-1)d^{1-10}ns^{1-2}

-

 

 Let see the oxidation state achieved by each one.

(n-1)d^5ns^2=+7

(n-1)d^5ns^1=+6

(n-1)d^3ns^2=+5

(n-1)d^8ns^2=+2


Option 1)

(n-1)d^{5}ns^{2}

Correct

Option 2)

(n-1)d^{5}ns^{1}

Incorrect

Option 3)

(n-1)d^{3}ns^{2}

Incorrect

Option 4)

1 (n-1)d^{8}ns^{2}

Incorrect

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