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What is the effect of increasing pH on a...

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

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On increasing pH of `K_(2)Cr_(2)O_(7)` (orange) it changes into `K_(2)CrO_(4)` (yellow)
`underset("Orange")(Cr_(2)O_(7)^(-2))+2OH^(-) rarr underset("Yellow")(2CrO_(4)^(-2))+H_(2)O`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. Why do the transition metals readily form alloys ?

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  2. How do the ionic character and acidic nature vary among the oxides of ...

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

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  4. Name the oxometal anions of the first series of transition metals in w...

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  5. Permanganate titrations are carried out in the presence of sulphuric a...

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  6. What is Lanthanoid contraction ?

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  7. What are the different oxidation states exhibited by the lanthanoids ?

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  8. What is Misch metal ? Given its composition and use.

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  9. What is actinoid contraction ?

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  10. What are co-ordination compounds? Give two examples.

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  11. What is a coordination polyhedron ?

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  12. What is a double salt? Give example.

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  13. What is difference between a double salt and complex compound ?

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  14. What is a ligand ?

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  15. Give one example each for ionic and neutral ligands.

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  16. How many moles of AgCl is precipitated when I mole of CoCl(3) is treat...

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  17. What is a chelate ligand ? Give example.

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  18. What is an ambidentatc ligand ? Give example.

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  19. CuSO(4).5H(2)O is blue in colour where as anhydrous CuSO(4) is colourl...

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  20. FeSO(4) solution mixed with (NH(4))(2)SO(4) solution in 1 : 1 molar ra...

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