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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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DINESH PUBLICATION-D-AND -F BLOCK ELEMENTS-NCERT 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 chromite ore. W...

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

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  4. For M^(2+)//M and M^(3+)//M^(2+) system, the E^(@) value of some metal...

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  5. Predict which of the following will be coloured in aqueous solution ? ...

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  6. Compare the chemistry of actinoids with that of the lanthanoids with s...

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

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

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  9. which metal in the first series of transition metals exhibits +1 oxid...

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

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  11. Give examples and suggest reason for the following features of the tra...

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

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

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

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

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

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

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

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  19. Compare the chemistry of actinoids with that of the lanthanoids with s...

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  20. Write the electronic configuration of the elements with the atomic num...

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