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What are different oxidation states exhi...

What are different oxidation states exhibited by
lanthanoids ?

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The most common oxidation states of lanthanoids is +3. However some lanthanoids also show as oxidation state of +2 and +4. For example shows as oxidation state of +2 and Ce shows an oxidation state of `+4`.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. What are lanthanoids ?

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  2. Why are Lanthanides called inner transition metals.

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  3. What are different oxidation states exhibited by lanthanoids ?

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  4. What is lanthanoid contraction ?

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  5. Why is La(OH)3 more basic than Lu(OH)3 ?

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  6. Why Zr and Hf exhibit similar properties ?

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  7. Write the formulas of ammonia . Also name the elements presents in the...

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  8. Write the formulas of methane . Also name the elements presents in th...

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  9. Write the formula of sulphur dioxide . Also name the elements presents...

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  10. Write the formula of ethanol . Also name the elements presents in them...

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  11. Write the formula of calcium carbonate . Also name the elements presen...

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  12. Transition metals form number of interstitial compounds. Explain.

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  13. A transition metal easily form alloys with other transition metals. Ex...

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  14. Transition elements and their compounds are found to be good catalysts...

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  15. Why transition element show coloured Ions ? Explain.

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  16. Give the preparation of Potassium dichromate ,K2Cr2O7.

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  17. Write the formula of ammonium hydroxide . Also name the elements pres...

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  18. Write the formula of sodium sulphate . Also name the elements presents...

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  19. Write the formula of carbon tetrachloride . Also name the elements pre...

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  20. Define Lanthanoid Contraction and also explain cause of Lanthanoid con...

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