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A metal ion M^(3+) loses three electrons...

A metal ion `M^(3+)` loses three electrons , its oxidation number will be

A

`+3`

B

`+6`

C

0

D

`-3`

Text Solution

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Oxidation number changes from +3 to +6
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DINESH PUBLICATION-REDOX REACTIONS-Multiple Choice Question Bank(MCQB)
  1. The most powerful oxidising agent among the following is:

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  2. The oxidation state of iodine in H(4)IO(6)^(-) is:

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  3. The standard electrode potentials of elements A,B and C are+0.68, -2.5...

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  4. In the rection: 2Ag+2H(2)SO(4)rarrAg(2)SO(4)+2H(2)O+SO(2) Sulphuri...

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  5. Which of the following is a redox reaction?

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  6. Without losing its concentration, ZnCl(2) solution can't be kept in co...

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  7. The oxidation number of Cr in K(2)Cr(2)O(7) is

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  8. The oxidation state of nitrogen in N(3)H is

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  9. A metal ion M^(3+) loses three electrons , its oxidation number will b...

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  10. Oxidation state of Fe in FeO(4) is:

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  11. In an acidic medium dichromate ion oxidises ferrous ion to ferric ion....

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  12. Which of the following statement is true for the electrochemical Danie...

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

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

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  15. Oxidation states of P in H(4)P(2)O(5),H(4)P(2)O(6),H(4)P(2)O(7) are:

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  16. When CI(2) gas reacts wioth hot and concentrated solution of sodium hy...

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  17. Standard reduction p[otentials of the half rections are given bvelow: ...

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  18. The pair of compounds that can exist together is

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  19. In acidic medium , H(3)O(2) changes Cr(2)O(7)^(-2) "to" CrO(5) "Whic...

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  20. Which of the following does not involve oxidation of iorn?

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