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Highest oxidation state exhibited by a l...

Highest oxidation state exhibited by a lanthanide element is

A

`+3`

B

`+4`

C

`+7`

D

`+8`

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The correct Answer is:
B
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AAKASH SERIES-D - BLOCK ELEMENTS-PRACTICE EXERCISE
  1. The element that forms oxide with highest oxidation state

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  2. As the oxidation state of metal in metal oxide increases its acidic na...

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  3. Highest oxidation state exhibited by a lanthanide element is

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  4. Lanthanides are rare earths, but one of them is not available naturall...

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  5. The element with highest number of unpaired L electrons is

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  6. Colour exhibited by divalent Sm in aqueous solutions

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  7. Which of the following is paramagnetic ?

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  8. Compound that is both paramagnetic and coloured is

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  9. Acidic oxide is formed by the metal and oxidation state of the metal i...

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  10. In the preparation of KMnO4, pyrolusite (MnO(2)) is first converted to...

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  11. Which of the following can be employed for the conversion of potassium...

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  12. The reaction MnO(4)^(-)+e^(-)hArrMnO(4)^(2) takes place in

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  13. When MnO(2) is fused with KOH in the presence of air, a coloured compo...

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  14. Acidified potassium dichromate is treated with hydrogen sulphide. In t...

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  15. The equivalent mass of K(2)Cr(2)O(7) when it acts as oxidising agent i...

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  16. The aqueous solution containing which one of the following ion will be...

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  17. Effective magnetic moment of Sc^(3+) ion is

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  18. The stable oxiation state of Cu, Ag and Au are respectively

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  19. Highest oxidation state exhibited by a lanthanide element is

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  20. Larger number of oxidation states are exhibited by the actinoids than ...

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