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Between Ed and Ce which one exhibits +2 ...

Between Ed and Ce which one exhibits +2 oxidation state?

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Between Eu and Ce which one exhibits + 2 oxidations state ?

Name the members of the lanthanoid series which exhibit + 4 oxidation states and those which exhibit + 2 oxidation states. Try to correlate this type of behaviour with the electronic configurations of these elements.

Why does cerium exhibit + 4 oxidation state ?

Mention the highest oxidation state shown by the transition elements. Name the element along with the compound in which it exhibits oxidation state.

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2016-EXERCISE
  1. Which one is the SI unit of molar conductivity?

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  2. By what type of reaction do the common antacids destroy the excess aci...

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  3. Between Ed and Ce which one exhibits +2 oxidation state?

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  4. Write down the name and formula of an oxide of a transition metal whic...

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  5. Explain what is observed when a beam of light is passed through a coll...

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  6. Write down the relation among the conductance and specific conductance...

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  7. Write down the relation between the emf of a galvanic cell and the Gib...

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  8. Two solutions are isotonic. What is meant by the statement?

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  9. When a little amount of common salt is dissolved in water the boiing p...

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  10. Write two differences between physisorption and chemisorption.

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  11. Explain why the solid catalyst is used in a finley divided form in ca...

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  12. First ionisation enthalpies of Group 15 elements are, in general, grea...

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  13. State, with equations, what happens when SO(3) gas is passed through c...

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  14. An aqueous solution of a complex compound of formula Co(NH3)5Br(SO4) r...

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  15. Identify the two monomers in the following polymer:

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  16. What is condensation polymerisation reaction?

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  17. Silver crystallises in face centered cubic lattice. If edge length of ...

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  18. What is Schottky defect ? Find out the packing effciency in a simple c...

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  19. What is meant by the molality of a solutin?

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  20. What is meant by the molarity of a solution ? What would be the osmoti...

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