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What is the effect of Increasing pH on a solution of potassium dichromate ?

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USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
  1. Find EAN of Fe in K4[Fe(CN)6]

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  2. When steam is passed over red hot iron, the products formed are

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  3. What is the effect of Increasing pH on a solution of potassium dichrom...

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  4. What is Goldschmidt aluminothermic process ?

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  5. What happens when copper turnings are heated with conc. H2SO4 ?

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  6. What is lanthanide contraction? Write any two of its consequences.

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  7. On the basis of effective atomic number rule explain the hybridisation...

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  8. Suggest Chemical test to show that [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl...

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  9. What is ligand?

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  10. Explain why transition metal ions are usually coloured.

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  11. Write three main postulates of VBT for explaining bonding in co-ordina...

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  12. What is leaching ? Glve an example.

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  13. [Fe(CN)6]^(4-) and [Fe(H2O)6]^(2+), are of different colours in dilate...

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  14. Describe the principle of van-Arkel process for refining of metal.

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  15. Difference between double salt and complex salt.

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  16. Write the name and composition of two ores of copper.

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  17. Give the principle of extraction of copper from one of its ore.

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

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  19. Discuss the general characteristics properties of transition elements.

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  20. Indicate the steps in the preparation of K2Cr2O7 from chromite ore.

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