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The oxidation number of Mn in the produc...

The oxidation number of Mn in the product of alkaline oxidative fusion of `MnO_2` is + x. The value of x is

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. The number of paramagnetic ions among Ti^(3+), Cr^(3+), Ti^(4+), Fe^(2...

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

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

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

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

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

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  7. Metallic radii of some transition elements given below. Which of t...

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

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

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  10. The magnetic nature of elements depend on the presence of unpaired e...

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

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  12. Calculate the formal charge on C in C Cl4

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  13. Draw lewis structure of ozone

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

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

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  16. Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V...

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  17. Gadolinium belongs to 4f series. Its atomic number is 64. Which of the...

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  18. Interstitial compounds are formed when small atoms are trapped inside ...

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  19. Find the magnetic moment of Cr^(2+)

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  20. WhenI^(-) is oxidised by MnO4^(-) in alkaline medium, I^(-) converts ...

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