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What happens when blue vitriol is heated...

What happens when blue vitriol is heated?

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`CuSO_4cdot5H_2O underset(toair)overset(exposure)rarr CuSO_4cdot3H_2O + 2H_2O`
`CuSO_4cdot5H_2O overset(100^@)rarr CuSO_4cdotH_2O + 4H_@2O` `CuSO_4cdot5H_2O overset(225-250^@C) CuSO_4 + 5H_2O.
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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
  1. f-block elements are called transtion elements.

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  2. Explain why CuSO4 is blue while ZnSO4 is white.

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  3. What happens when blue vitriol is heated?

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  4. What is the oxidation number of nickel in Ni(CO)4 ?

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  5. Why Zn, Cd and Hg are not regarded as transtition elements?

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  6. Define the term tempering and nitriding.

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  7. What is the role of limestone in the extraction of iron from red haema...

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  8. Write one method for the preparation of CuSO4. Also write its uses.

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  9. Write the ground state electronic configuration of Fe^3+ ion.

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  10. Give the formula and the name of one ammine complex of copper.

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  11. How can you get wrought iron from cast iron ?

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  12. Why transition elements form a large number of complexes?

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  13. Complete the chemical reaction. 2CuSO4 + 4kI →

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  14. Complete the chemical reaction. Cu2S + Cu2O rarr

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  15. Explain magnetic behavior of transistion elements.

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  16. Ferric oxide crystallises in a hexagonal close packed array of oxide i...

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  17. What are alloy steels? Give three examples.

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  18. Differentiate the processes annealing and hardening.

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  19. What is blue vitriol? How it is prepared?

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  20. What happens when NH4OH solution is added drop by drop to CuSO4 soluti...

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