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Oxidation number of P in PO(4)^(3-), of ...

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 "+5`

B

`+5, +3" and "+6`

C

`-3, +6" and "+6`

D

`+5, +6" and "+6`

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-REDOX REACTIONS-ASSIGNMENT SECTION - C
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  2. A solution contains Fe^(2+), Fe^(3+) and T^(-) ions. This solution was...

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  3. Oxidation states of P in H(4)P(2)O(5),H(4)P(2)O(6),H(4)P(2)O(7) respec...

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  4. Oxidation number of P in PO(4)^(3-), of S in SO(4)^(2-) and that of Cr...

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  5. The number of moles of KMnO(4) that will be needed to react with one ...

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  7. Standard electrode potential for Sn^(4+)//Sn^(2+) couple is 0.15 V and...

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  8. Standard electrode potential of three metal X, Y and Z are -1.2 V, +0....

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  9. In the reaction 2H(2)O(2) rarr 2H(2)O+O(2)

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  10. Which change requires an oxidising agent?

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  11. Given the following reaction involving A,B,C and D (i) C+B^(+)...

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  12. Which element undergoes disproportionation in water ?

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  14. Which species is acting as a reducing agent in the following reaction ...

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  15. The oxidant which cannot act as a reducing agent is

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  16. Oxidation state of Fe in Fe(3)O(4) is

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

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  19. Reduction potential for the following half-cell reaction are Zn rarr...

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