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Which of following oxidation state is co...

Which of following oxidation state is common for all lanthanide ?

A

`+2`

B

`+3`

C

`+4`

D

`+5` .

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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
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  2. The magnetic nature of elements depends on the presence of unpaired el...

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

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

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

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

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

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  9. Gadolinium belongs to 4f series. It’s atomic number is 64. Which of th...

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

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  11. The magnetic Moment is associated with its spin angular momentum and o...

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  12. How does KMnO4 act as a powerful oxidizing agent in neutral, alkaline ...

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  13. Which of the following statements is not correct ?

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  14. When acidified K2Cr2O7 solution is added to Sn^(2+) salts than Sn^(2+...

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  15. Fe shows an oxidation state of +1 in :

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  16. Why do elements in the same group have similar physical and chemical p...

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  17. Write one oxidising reaction of KMnO4 in basic medium.

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  18. Give the formula of following compound : pentaamminecarbonatocobalt(II...

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  19. Give the formula of following compound : mercury tetrathiocyanatocobal...

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  20. Write the iupac name of the compound : [Co (NH3)4 (H2O) Cl]Cl2

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