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What is the highest oxidation state of c...

What is the highest oxidation state of chromium ?

Text Solution

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`Cr : [Ar]3d^(5)4s^(1)`, its highest oxidation state `=(1+5)=6`.
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Knowledge Check

  • Assertion (A) : The highest oxidation state of osmium is +8. Reason (R ) : Osmium is a 5d - block element.

    A
    both (A) and (R ) are true, and (R ) is the correct explanation of (A).
    B
    both (A) and (R ) are true, but (R ) is not the correct explanation of (A).
    C
    (A) is false but (R ) is true.
    D
    (A) and (R ) both are false.

  • Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one -

    A
    `(n-1)d^(8)ns^(2)`
    B
    `(n-1)d^(5)ns^(2)`
    C
    `(n-1)d^(3)ns^(2)`
    D
    `(n-1)d^(5)ns^(1)`

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    The electronic configuration of an element is 3d^(5)4s^(2) . Mention the highest oxidation state of the element.

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