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Write the ionic equation showing the oxi...

Write the ionic equation showing the oxidising action of `K_2Cr_2O_7` with `H_2S`.

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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. How many ions can be produced from [Co(NH3)6]Cl3 in aqueous solution.

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  2. Find EAN of Fe in K4[Fe(CN)6]

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  3. Write the ionic equation showing the oxidising action of K2Cr2O7 with ...

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  4. Name a transition clement which does not exhibit variable oxidation st...

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  5. Find the magnetic moment value of Co^(2+)

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  6. Explain, why Cu^+ ion is not stable in aqueous solution.

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  7. Between [Fe(H2O)6]^(3+) and [Fe(CN)6]^(3-) which is a low spin complex...

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  8. Write the E. C of Lanthanides and Actinides.

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  9. Name the two elements of Ist row transition series which have exceptio...

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  10. Explain why Fe^(3+) ion is more stable than Fe^(2+) ion in aqueous sol...

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  11. What is the reason of paramagnetism in transition metals ?

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  12. A complex having molecular formula Cr(NH3)4CI2Br has two isomers 'A' a...

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  13. What do you mean by passivity of iron ?

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  14. Write two important alloys of copper and their uses.

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  15. Give two examples of alloy steel and their uses.

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  16. What do you mean by double salt and co- rodination compound ? Give one...

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  17. Write the name and composition of two iron ore.

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  18. Find the magnetic moment of Cr^(3+) ion.

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  19. What are transition metals ? Write their general outer electronic conf...

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  20. Explain, why Cu^+ ion is not stable in aqueous solution.

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