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The answer to each of the following ques...

The answer to each of the following questions is a single- digit-integer ranging from 0 to 9. Darken the correct digit. Acidified `KMnO_4` oxidises `H_2O_2` to `H_2O` and `O_2`. The coefficient of `H_2O_2` in the balanced chemical reaction of `KMnO_4` with `H_2O_2` in the presence of dil `H_2SO_4` is

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Match the element in Column I with the property mentioned in Column II

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  2. Find x in the following figures.

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  3. The answer to each of the following questions is a single- digit-integ...

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  4. The number of electrons present in the 4f-subshell of Gd (Z = 64) is

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  5. Write the iupac name of the compound : Li[Al H4]

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  6. The number of paramagnetic ions among Ti^(3+), Cr^(3+), Ti^(4+), Fe^(2...

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  7. The magnetic moment of a transition metal ion is found to be 4.90 BM. ...

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  8. The oxidation number of Mn in the product of alkaline oxidative fusion...

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  9. In neutral or faintly alkaline solution, 8 moles of permanganate anion...

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  10. Electronic configuration of a transition element X in +3 oxidation s...

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  11. The electronic configuration of Cu (II) is 3d^9 whereas that of Cu (I)...

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  12. Complete the following:

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  13. Generally transition elements form coloured salts due to the presence ...

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  14. On addition of small amount of KMnO4 to concentrated H2SO4, a green oi...

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  15. The magnetic nature of elements depends on the presence of unpaired el...

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  16. Which of following oxidation state is common for all lanthanide ?

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  17. Which of the following reactions are disproportionation reactions ? (...

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  18. The commercial name of calcium sulphate is-

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  19. There are 14 elements in actinoid series. Which of the following eleme...

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  20. The number of moles of KMnO4 that will be needed to react with one ...

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