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The oxidation state of Fe in Fe(3)O(4) i...

The oxidation state of Fe in `Fe_(3)O_(4)` is :

A

`5/4`

B

`4/5`

C

`3/2`

D

`8/3`

Text Solution

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The correct Answer is:
D
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  8. Standard electrode potential of three metal X, Y and Z are -1.2 V, +0....

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  9. In the reaction 2H(2)O(2) rarr 2H(2)O+O(2)

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  10. Which change requires an oxidising agent?

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  11. Given the following reaction involving A,B,C and D (i) C+B^(+)...

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  12. Which element undergoes disproportionation in water ?

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  14. Which substance is serving as a reducing agent in the following reacti...

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  15. The oxidant which cannot act as a reducing agent is

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  16. The oxidation state of Fe in Fe(3)O(4) is :

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  17. Oxidation numbers of A, B, C are +2, +5 and -2 respectively. Possible ...

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  18. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  19. Electrode potential for the following half-cell reactions are Zn rar...

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  20. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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