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Oxidation numbers of P in PO4^(3-), of ...

Oxidation numbers of P in ` PO_4^(3-)`, of S in ` SO_4^(2-)`, and that of `Cr` in ` Cr_2O_7^(2-)` are respectively ,

A

`+5, +6 and +6`

B

`+3, +6 and +5`

C

`+5, +3 and +6`

D

`-3, +6 and +6`

Text Solution

Verified by Experts

The correct Answer is:
A
`PO_(4)^(3-)(P=+5),SO_(4)^(2-)(S=+6),Cr_(2)O_(7)^(2-)(Cr=+6)`
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Knowledge Check

  • Oxidation number of P in PO_(4)^(3-) , of S in SO_(4)^(2-) and that of Cr_(2)O_(7)^(2-) are respectively

    A
    `+3,+6 and +6`
    B
    `+5,+6 and +6`
    C
    `+3,+6 and +5`
    D
    `+5,+3 and +6`

  • The oxidation state of Cr in Cr_(2)O_(7)^(2-) is

    A
    `4`
    B
    `6`
    C
    `-6`
    D
    `-2`

  • The oxidation number of Cr in K_(2)Cr_(2)O_(7) is

    A
    `-2`
    B
    `-7`
    C
    `+2`
    D
    `+6`
    • ERRORLESS-REDOX REACTIONS-PAST YEARS QUESTION
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    2. Identify the element which can have highest oxidation numbers

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    3. The oxidation number of sulphur in H(2)S(2)O(7) and iron in K(4)Fe(CN)...

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    4. Oxidation number of osmium (Os) in OsO(4) is

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    5. In the coordination compound, K4[Ni(CN)4] oxidation state of nickel is

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    6. The oxidation number of sulphur in Na2S4O6 is .

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    7. When Cl(2) gas reacts with hot and concentrated sodium hydroxide solut...

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    10. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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    11. Oxidation state of Fe in Fe3O4 is

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    12. Oxidation states of P in H4P2O5, H4P2O6 and H4P2O7 are respectively

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    13. A mixture of potassium chlorate, oxalic acid and sulphuric acid is hea...

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    19. Which of the following ion is spectator ion in the reaction given belo...

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