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The oxidation state of phosphorus in Ba(...

The oxidation state of phosphorus in `Ba(H_(2)PO_(2))_(2)` is

A

`+3`

B

`+2`

C

`+1`

D

`-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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Pure H_(2)O_(2) is not very stable and decomposes in the presence of light or on standing or heating overset((-1))(H_(2)O_(2l))+overset((2-)) (H_(2)O_((l)))+overset((0))(O_(2(g))) The oxidation state of oxygen in H_(2)O_(2) is 1 it is oxidistion state of zero in O_(2) and is reduced to an oxidation state of -2 in H_(2)O . Thus, this decomposition is an example of auto oxidation reduction reaction or disproportionation reaction. Pure H_(2)O is

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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. In which  one of the following compounds the oxidation numberof iodine...

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  2. Average oxidation number of iodine in KI(3)

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  3. The oxidation state of phosphorus in Ba(H(2)PO(2))(2) is

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  4. Chlorine has two different oxidation states in which of the following ...

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  5. Cr(OH)(3)+H(2)O(2)overset("Alkali")(to)CrO(4)^(-2)+H(2)O the number of...

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  6. Sodium carbonate of 92% purity is used in the reation Na(2)CO(3)+CaCl(...

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  7. Disproportionation products of one mole of MnO(4)^(-2) in aqueous acid...

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  8. In the reaction the stoichiometry coefficients of Cr(2)O(7)^(2-), NO(2...

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  9. The number of moles of MnO(4)^(-) and Cr(2)O(7)^(-2) separately requir...

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  10. a KMnO(4) + bH(2) SO(4) + c FeSO(4) to K(2) SO(4) + MnSO(4) + Fe(2) (S...

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  11. Number of moles of KI (potassium iodide) required to produce 0.1 mole ...

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  12. The weight of oxygen required to completely react with 27g  of Al is

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  13. Correct order of tendency to loss of electrons

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  14. 20 ml of nitric oxide combines with 10 ml of oxygen at STP to give NO(...

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  15. In the redox reaction : xKMnO(4) to +yNH(3) to KNO(3)+MnO(2)+KOH+H(2)O

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  16. How many moles of KMnO(4) are required to oxidise one mole of ferrous ...

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  17. When KMnO4 acts as an oxidizing agent and ultimately forms MnO(4)^(2-)...

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  18. The value of n in the following equation if balanced Cr(2)O(7)^(3+)+14...

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  19. How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mol...

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  20. What is the volume (lit) of oxygen required at STP to completely conve...

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