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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

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

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

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

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

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  13. When a white crystalline compound X is heated with K(2)Cr(2)O(7) and c...

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

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  18. Actinoid contraction is greater from element to element than lanthanoi...

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  19. Comparethe chemistry of actinoids with that of lanthanoids with specia...

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