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It is found that V forms a double salt, ...

It is found that V forms a double salt, isomorphous will Mohr.s salt. The oxidation number of V in this compound is

A

`+3`

B

`+2`

C

`+4`

D

`-4`

Text Solution

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The correct Answer is:
B

`overset(+2)(FeSO_(4)).(NH_4)_(2)SO_(4).6H_2O` Mohr.s salt
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Oxidation number is the charge which an atom of an element has in its ion or appears to have when present in the combined state. It is also called oxidation state. Oxidation number of any atom in the elementary state is zero. Oxidation number of a monoatomic ion is equal to the charge on it. In compounds of metals with non metals, metals have positive oxidation number while non metals have negative oxidation numbers. In compounds of two difference elements, the more electronegative element has negative oxidation number whereas the other has positive oxidation number. In complex ions, the sum of the oxidation number of all the atoms is equal to the charge on the ion. If a compound contains two or more atoms of the same element, they may have same or different oxidation states according as their chemical bonding is same or different. A compound of Xe and F is found to have 53.3% Xe (atomic weight =133). Oxidation number of Xe in this compound is

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AAKASH SERIES-REDOX REACTIONS-PRACTICE SHEET (EXERCISE - I) ( LEVEL-II (ADVANCED))(Straight Objective Type Questions )
  1. The oxidation state of sulphur in Caro.s and Marshel.s acids are:

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  2. Oxidation number of oxygen in KO3, KO2 and K2O is

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  3. It is found that V forms a double salt, isomorphous will Mohr.s salt. ...

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  4. Which among the followings shows maximum oxidation state ?

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  5. Fluorine exhibits only -1 oxidation state, while iodine exhibits oxida...

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  6. The oxidation sate of +3 for phosphorus is in

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  7. Oxidation number of P in P(2)O4^(4-) is

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  8. The oxidation state of I in H(4)IO(6)^(-) , is

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  9. Oxidation state of nitrogen is incorrectly given for M {:("Compound...

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

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  11. The oxidation number of S in Na(2) S(4)O(6) is

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

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  13. Co-ordination number and oxidation state of Cr in K(3) [Cr(C(2)O(4))(3...

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  14. When SO2 is passed in a solution of potassium iodate, the oxidation s...

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  15. Among the following , identify the species with an atom in + 6 oxidati...

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  16. K(4)[Fe(CN)(6)] is a

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  17. Experimentally it was found that a metal oxide has formula M(0.98)O. ...

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  18. Thiosulphate reacts differently with iodine and bromine in the reactio...

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  19. Which of the following arrangements represent increasing oxidation num...

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  20. Identify disproportionation reaction

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