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What is the oxidation state of Ni ...

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

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The oxidation state of nickel in K_(4)Ni(CN)_(4) is:

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. What is lanthanoid contraction? What are the consequences of lanthanoi...

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  2. Give plausible reason for the fact that the tran-sition metals have hi...

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  3. What is the oxidation state of Ni "in" (Ni(CO))4 ?

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  4. A transition element forms alloys with other transition metals easily....

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  5. What are interstitial compounds? Why are such compounds well known for...

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  6. How is potassium dichromate prepared from a sample of chromite ore ? G...

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  7. In the transition element series starting from lanthanun (""(57)La), t...

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  8. Represent by ionic equation, the oxidsing action of MnO4^- both in aci...

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  9. Decide giving reasons which one of the following exhibits the property...

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  10. What are inner transition elements? Decide which of the following atom...

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  11. What is the difference between the electronic configurations of transi...

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  12. Complete the reactions : (i) Na2Cr2O7 + KCl rarr (ii) 2MnO(2) + 4...

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  13. Giving reasons indicate which one of the following would be coloured ?...

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  14. Account for the following statements : (i) Co (ii) is stable in aque...

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  15. Decide giving reason which one of the following pairs has the propert...

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  16. What is lanthanoid contraction? What are the consequences of lanthanoi...

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  17. Why lanthanoids and actinoids are called f-block elements?

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  18. Assign reasons for the following: (a) Ce^(3+) can easily be oxidise...

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  19. Assign reasons for the following: (a) Zn^(2+) salts are white while ...

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  20. Assign reasons for the following : (a) Co^(2+) has higher magnetic ...

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