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Predict with justification the number of...

Predict with justification the number of moles of KI that would be oxidised by acidified aqueous solutions of (i) one mole of acidified `KMnO_4` and (ii) acidfied `K_2Cr_2O_7`.

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-II) (DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. State any four uses of KMnO4

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  2. State any four uses of K2Cr2O7.

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  3. Predict with justification the number of moles of KI that would be oxi...

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  4. Draw the structure of : (i) chromate ion and (ii) dichromate ion.

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  5. What is the chemistry of chromyl chloride test?

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  6. How can you convert potassium dichromate into chromyl chloride ? Give ...

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  7. What happens when : (i) K2CrO7 reacts with acidified solution of KI ...

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  8. Explain the difference between the electronic configuration of gadolin...

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  9. What are lanthanoids? Write the name of the lanthanoids.

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  10. What are actinoids ? Write the name of all the actinoids.

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  11. ""(57)La and ""(71)Lu Lu have no partially filled 4f-subshell, yet the...

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  12. Why the elements with at. no. 57 to 71 are called inner transition ele...

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  13. Comment upon the statement that: (i) The electronic configurations o...

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  14. Which is the last element in the series of the actinoids? Write the el...

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  15. In what way is the electronic configuration of the transition elements...

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  16. What are different oxidation states exhibit by lanthanoids?

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  17. Explain the following terms : (a) Chemistry of all Lanthanoids is so...

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  18. What is the electronic difference between lanthanoids and actinoids? W...

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  19. Name the elements with atomic number 58 and 59 and write their electro...

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  20. What are inner-transition elements? Write their general electronic con...

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