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The oxidation number of phosphorus in PO...

The oxidation number of phosphorus in `PO_(4)^(3-), P_(4)O_(10)`, and `P_(2)O_(7)^(4-)` is

A

`+5`

B

`+3`

C

`-3`

D

`+2`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-REDOX REACTIONS-Assignment (Section A) (Objective type Questions (one option is correct))
  1. The oxidation number of S in S(8),S(2)F(2), and H(2)S, respectively, a...

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  2. The oxidation number of C in HNC is

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  3. The oxidation number of Cl in CaOCl(2) is

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  4. Which of the following molecules can act as an oxidising agent as well...

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  5. The oxidation state of iodine in ICI(3) is

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  6. The pair of compounds having metals in their highest oxidation state i...

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  7. Consider a titration of potassium dichromate solution with acidified M...

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  8. Number of moles of MnO(4)^(-) required to oxidise one mole of ferrous ...

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  9. The reaction,P(4)+3NaOH+3H(2)O to 3NaH(2)PO(2)+PH(3) is an example of

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  10. CrO(5) has structure as shown The oxidation number of chromium in...

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  11. The oxidation states of S atom in S(4)O(6)O^(2-) from left to right re...

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  12. The oxidation number of phosphorus in PO(4)^(3-), P(4)O(10), and P(2)O...

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  13. The reaction 5H(2)O(2)+XClO(2)+2OH^(-) rarr XCl^(-)+YO(2)+6H(2)O i...

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  14. Nitrogen forms a variety of compounds in all oxidation states ranging ...

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  15. KMnO(4) is a strong oxidising agent in acidic medium. To provide acidi...

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  16. 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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  17. In this reaction: S(2)O(8)^(2-)+2I^(-) to 2SO(4)^(2-)+I(2)

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  18. Which of the following has the highest value of E("red")^(@) ?

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  19. Which of the following species has an atom with +6 oxidation state?

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

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