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Which of the following has least oxidati...

Which of the following has least oxidation state of Fe?

A

`K_(4)[Fe(CN)_(6)]`

B

`K_(3)[Fe(CN)_(6)]`

C

`FeSO_(4)(NH_(4))_(2)SO_(4)6H_(2)O`

D

`Fe_(2)(CO)_(9)`

Text Solution

Verified by Experts

The correct Answer is:
D
`.^(@)Fe_(2) (CO)_(9)`
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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
  1. Oxidation state of carbon is not zero in

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  2. In which of the following processess is nitrogen oxidised ?

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  3. Which of the following has least oxidation state of Fe?

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  7. Which one of the following pairs of compound illustrates the law of mu...

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  8. 4*4 g of an oxide of nitrogen gives 2*24 L of nitrogen and 60 g of ano...

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  9. Two metallic oxides contain 27.6% and 30% oxygen, respectively. If the...

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  10. Irrespective of the source, pure sample of water always yields 88.89% ...

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  11. The ratio of the mass of C-12 atom to that of an atom of element X (wh...

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  12. Study the following table: Which two compounds have least weight of ox...

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  13. Which of the following contain 9 xx 10^(23) oxygen atoms?

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  14. Number of gram atoms of oxygen present in 0.3 mole of (COOH)(2).2H(2)O...

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  15. No. of moles of water in 488.6 gms of BaCl(2).2H(2)O are (molecular we...

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  16. Equivalent weight of metal 'M' is 12. Equivalent weight of Y in the co...

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  17. The oxide of an element possesses the formula MO(2). If the equivalent...

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  18. 3 g of an oxide of a metal is converted completely to 5 g chloride. Eq...

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  19. A compound contains 28% N and 72% of a metal by weight . Three atoms o...

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  20. An organic compound contains 40%C, 6.6%H. The empirical formula of the...

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