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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

Zero

B

`+6`

C

`+2`

D

`+4`

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-REDOX REACTIONS-Assignment (Section A) (Objective type Questions (one option is correct))
  1. The oxidation state of phosphorus vary from

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  2. In which of the following reactions, the underlined element has decrea...

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

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  4. In which one of the following changes there are transfer of five elect...

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  5. The oxidation states of the most electronegative elements in the produ...

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  6. The oxidation number of chlorine in HOCl is

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  7. In the reaction :Cl(2)+OH^(-)rarrCl^(-)+ClO(4)^(-)+H(2)O

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  8. The oxidation number of P in Mg(2)P(2)O(7) is

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  9. For the redox recation MnO(4)^(-)+C(2)O(4)^(2-)+H^(+)toMn^(2+)+CO(2)...

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  10. Oxygen has an oxidation state of +2 in

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  11. A compound contains three elements A,B and C, if the oxidation number ...

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  12. In which of the following pairs. the oxidation states, of sulphuric an...

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  13. The oxidation number of S in S(8),S(2)F(2), and H(2)S, respectively, a...

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  14. The oxidation number of C in HNC is

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

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

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

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

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

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

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