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What is the oxidation state of Ni ...

What is the oxidation state of `Ni "in" (Ni(CO))_4` ?

A

0

B

4

C

8

D

2

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The correct Answer is:
A
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ALLEN-REDOX REACTIONS-Questions
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  4. The oxidation number of phosphorus in Ba(H(2)PO(2))(2) is:

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  7. Positive oxidation state of an element indicates that it is -

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  8. Predict the highest and lowest oxidation state of (a) Ti and (b) Tl

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  9. Oxidation state of oxygen atom in potassium superoxide is

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  10. Molecular weight of KMnO(4) in acidic medium and neutral medium will b...

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  11. Equivalent weight of H(3)PO(4) in each of the reaction will be respect...

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  12. In acidic medium, equivalent weight of K(2)Cr(2)O(7) (molecular weight...

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  13. The fast reaction between water and sodium is the example is -

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  14. Choose the redox reaction from the following -

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  15. Which of the following is not a redox reaction ?

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  16. In the reaction 6Li+N(2)rarr2Li(3)N

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  17. In the half reaction : 2ClO(3)^(-)rarrCl(2)

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  18. The standard reduction potentials at 298K for the following half cells...

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