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Describe the preparation of potassium di...

Describe the preparation of potassium dichromate from iron chromite ore.What is the effect of increasing pH on a solution of potassium dichromate?

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Describe the preparation of potassium dichromate from chromite ore. What is the effect of increasing pH on solution of potassium dichromate ?

Describe the preparation of potassium dichromate from chromite ore. What is the effect of increasing pH of potassium dichromate solution ?

Give the preparation of potassium permanganate from pyrolusite ore.

Potassium dichromate is used

Potassium dichromate is used

(a) Describe the preparation of potassium dichromate from chromite ore: (b) How does the acidified solution of potassium permanganate react with (i) oxalic acid (ii) iron (II) ions.

Potassium dichromate is prepared from

PRADEEP-D- AND F-BLOCK ELEMENTS-NCERT EXERCISES
  1. What are interstitial compounds ? Which are such compounds well known...

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  2. How is the variability in oxidation states fo transition metals differ...

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

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

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

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  6. For M^(2+) //M and M^(3+) //M^(2+) system, E^(@) values for some meta...

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

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

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  9. Compare the chemistry of actinoids with that of lanthanoids with spec...

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

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

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

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

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

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

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

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

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

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

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

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