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The charge on cobalt in [Co(CN)(6)]^(-3)...

The charge on cobalt in `[Co(CN)_(6)]^(-3)` is -

A

`-6`

B

`-3`

C

`+3`

D

`+6`

Text Solution

Verified by Experts

The correct Answer is:
C
In `[Co(CN)_(6)]^(3-)` complex `Co` shows +3 oxidation state.
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ERRORLESS -SOME BASIC CONCEPTS OF CHEMISTRY-Ordinary Thinking (Objective Questions) Oxidation number and Oxidation state
  1. Oxidation number of iodine varies from -

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  2. Which one of the following has the highest oxidation number of iodine?

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  3. The charge on cobalt in [Co(CN)(6)]^(-3) is -

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  4. Oxidation state of oxygen inhydrogen peroxide is

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

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  6. The atomic number of an element which can not show the oxidation stat...

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

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  8. Oxidation number of N in (NH(4))(2)SO(4) is

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  9. The oxidation number of sulphur in H(2)SO(4),H(2)S(2)O(4) and H(2)S(2)...

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  10. Which of the following statement is correct

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  11. The oxidation number of carbon in CH(2)Cl(2) is

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  12. Oxidation number of nitrogen in NaNO(2) is

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  13. The highest oxidation state of Mn is shown by

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  14. The oxidation number and the electronic configuration of sulphur in H(...

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  15. Oxidation number of N in NH(3) is

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  16. Nitrogen shows different oxidation states in the range:

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  17. Oxidation number if iodine in IO(3)^(-), IO(4)^(-),KI and I(2) respect...

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  18. Oxidation state of phosphorus in cyclotrimetaphosphoric acid is

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  19. In which of the following the oxidation number of oxygen has been arra...

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  20. Oxygen has an oxidation state of +2 in

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