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What happens when silver sulfide is shak...

What happens when silver sulfide is shaken with NaCN solution?

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`Ag_2S` dissolves due to the formation of the complex `Na[Ag(CN)_2]`.
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ICSE-COORDINATION COMPOUNDS -EXERCISE (PART - II DESCRIPTIVE QUESTIONS) (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Why does ammonia readily form a complex while ammonium ion does not?

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  2. If the geometry of [PtCl4]^(2-) -is square planar, which orbitals are ...

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  3. What happens when silver sulfide is shaken with NaCN solution?

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  4. How many ions are produced from the complex Co(NH3)4Cl2 in solution ? ...

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  5. Name the metal present in haemoglobin.

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  6. Name the central element present in chlorophyll.

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  7. What are the most important coordination numbers encountered in coordi...

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  8. Name the compound used to determine the hardness of water.

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  9. How many coordination sites are there in ethylenediamine, {:(CH2NH2)...

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  10. Write the number of types of valencies present for metals in complexes...

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  11. What are primary and secondary valencies according to modern concept?

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  12. Name a neutral ligand.

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  13. What is cis-platin?

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  14. Name the metal present in B-12.

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  15. Name two factors which influence the stability of a complex.

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  16. The magnitude of CFSE (Crystal Field Splitting Energy , Delta(0)) can ...

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  17. How does the magnitude of Deltao decide the actual configuration of d-...

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  18. Only transition elements are known to form carbonyls. Why?

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  19. Why does precipitate of AgCl dissolve in ammonia solution?

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  20. What happens when photographic plate is developed with hypo?

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