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

Why is `La(OH)_3` more basic than `Lu(OH)_3` ?

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Due to Lanthanide contraction size of `Lu^(3+)` is smaller than `La^(3+)`. As such `La(OH)_3` has more basic than `Lu(OH)_3`.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -2 OR 5 MARKS QUESTIONS
  1. What are different oxidation states exhibited by lanthanoids ?

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  2. What is lanthanoid contraction ?

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

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  4. Why Zr and Hf exhibit similar properties ?

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

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

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

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

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

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

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

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

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  13. Why transition element show coloured Ions ? Explain.

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  14. Give the preparation of Potassium dichromate ,K2Cr2O7.

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

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

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

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

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  19. Write the formula of potassium chloride . Also name the elements prese...

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  20. Write the formula of calcium phosphate . Also name the elements presen...

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