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In which, iron has the lowest oxidation ...

In which, iron has the lowest oxidation state ?

A

`Fe(CO)_5`

B

`Fe_2 O`

C

`K_4Fe(CN)_6`

D

`FeSO_4 (NH_4)_2SO_4 6H_2O`

Text Solution

Verified by Experts

The correct Answer is:
A
`overset(0)(Fe)(CO)_5,overset(+1)(Fe_(2))O,K_(4)overset(+2)(Fe)(CN)_6`
`overset(+2)(Fe)SO_(4)(NH_4)_(2)SO_(4).6H_(2)O`
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AAKASH SERIES-REDOX REACTIONS-PRACTICE SHEET (EXERCISE - I) (LEVEL - I (MAIN))(Straight Objective Type Questions)
  1. The halogen that shows same oxidation state in all its compounds with ...

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  2. The oxidation states of the most electronegative element in the produc...

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  3. In which, iron has the lowest oxidation state ?

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  4. Oxidation state of oxygen in H2O2 is

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  5. In the conversion of Br(2) " to " BrO3 the oxidation state of bromine...

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

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  7. In nitric oxide (NO), the oxidation state of nitrogen is

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  8. In CH2 Cl2 the oxidation number of C is

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  9. Oxidation state of oxygen is -1 in the compound :

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  10. Chlorine has +1 oxidation state in

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  11. Oxidation number of S in S2Cl2 , is

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  12. In which  one of the following compounds the oxidation numberof iodine...

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  13. In MgH2 oxidation number of hydrogen is:

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  14. Which acts as a reducing agent ?

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  15. The compound that can work both as an oxidizing and reducing agent is

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  16. In the reaction, C + 4HNO(3) rarrCO(2) + 2H(2)O + 4NO(2), HNO3 acts a...

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  17. In the reaction, 2Ag + 2H(2)SO(4) rarrAg(2)SO(4) + 2H(2)O + SO(2) ,H(2...

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  18. In which reaction H2O2 acts reducing agent ?

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  19. When SO2 is passed in acidified potassium dichromate solution, the ox...

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  20. Which of the following is redox reaction

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