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Describe the oxidising action of potassi...

Describe the oxidising action of potassium dichromate and write the ionic equations of reaction with:
(i). Iodide
(ii). Iron (II) solution and
(III). `H_2S`

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MODERN PUBLICATION-D AND F-BLOCK ELEMENTS-NCERT FILE (TEXTBOOK EXERCISE)
  1. How is the variability in oxidation states fo transition metals differ...

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  2. Describe the preparation of potassium dichromate from iron chromite or...

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  3. Describe the oxidising action of potassium dichromate and write the io...

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  4. Describe the preparation of potassium permanganate. How does the acidi...

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  5. For M^(2+)//M and M^(3+)//M^(2+) systems the E^(ϴ) values for some met...

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  6. Predict which of the followingwill be coloured in aqueous solution? T...

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  7. Compare the stability of +2 oxidation state for the elements of the fi...

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  8. Compare lanthanoids and actinoids with reference to : (i) the electr...

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  9. How would you account for the following: A) Of the d^(4) species Cr^(...

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  10. What is meant by 'disproportionation'? Give two examples of disproport...

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  11. Which metal in the first series of transition metals exhibits+1 oxidat...

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  12. Calculate the number of unpaired electrons in the following gaseous io...

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  13. Give examples and suggest reasons for the following features of the t...

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  14. Indicate the steps in the preparation of: (i). K2Cr2O7 from chromite...

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  15. What are alloys? Name an important alloy which contains some of the la...

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

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  17. The chemistry of the actinoid elements is not so smooth as that of the...

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  18. Which is the last element in the series of the actinods? Write the ele...

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  19. Use Hund's rule to derive the electronic configuration of Ce^(3+) ion,...

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  20. Name the member of the lanthanoids series which exhibit+4 oxidation st...

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