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Which of the following is not a d-block ...

Which of the following is not a d-block element?

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This is because the increased nuclear charge is balanced by the shielding effect.
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ACCURATE PUBLICATION-D & F BLOCK ELEMENTS -1 OR 2 MARK QUESTIONS
  1. State the chemical symbols for the following elements : sodium , potas...

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  2. Name any three coinage metals ? Are these transition metals ?

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  3. Which of the following is not a d-block element?

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  4. Zn and Cd are not normally considered as transition metals. Why ?

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  5. Why do transition elements show similarities along the horizontal peri...

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  6. Name a transition element which does not exhibit variable oxidation st...

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  7. Write the highest oxidation state of elements with atomic number 23 ?

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  8. Which electrons loose an iron atom in forming Fe (II) ions ?

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  9. What is the maximum oxidation state shown by Manganese in its compound...

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  10. What is the oxidation state of Cr in K2Cr2O7?

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  11. Why +3 oxidation state of Fe (Z = 26) is more stable than its +2 oxida...

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  12. How many are the number of unpaired electron in ferrous ion ?

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  13. What is the cause of Paramagnetism of compounds of transition elements...

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  14. Name two alloys of copper?

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  15. Why does Vanadium Pentaoxide act as a catalyst?

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  16. Name the catalyst of Vanadium used for oxidation of SO2 to SO3 in cont...

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  17. Why Cr is used for electroplating iron ?

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  18. Draw the structure of chromate ion.

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  19. Write the general electronic configuration of lanthanoids.

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  20. Do lanthanoid and actinoids belong to d-or f-block elements ?

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