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Coordination Chemistry 2 Mark Creative Question Paper With Answer Key

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 30

     2 Marks 

    15 x 2 = 30
  1. Ni2+ is identified using alcoholic solution of dimethyl glyoxime. Write the structural formula for the rosy red precipitate of a complex formed in the reaction.

  2. [CuCl4]2- exists while [Cul4]2- does not exist why?

  3. Calculate the ratio of \(\frac { \left[ { Ag }^{ + } \right] }{ \left[ Ag\left( NH_{ 3 } \right) _{ 2 } \right] ^{ + } } \) in 0.2 M solution of NH3. If the stability constant for the complex \([Ag(NH_{ 3 })_{ 2 }]^{ + }\) is 1.7 x 107

  4. Write a neutral molecule in which the central atom is Sp3d2 hybridised.

  5. Name the following complex using IUPAC names. [Co(en)2(ONO)CI]CI

  6. What is the coordination number of central metal ion in [Fe(C2O4)3]3-?

  7. Give the names of two complexes which are used in medicines.

  8. Write the IUPAC name of the complex.

  9. Write the IUPAC name of [Ni(H2O)6] (CI)2

  10. Define 'Ligand' Give an example of nautral legand.

  11. Write the formula of copper hexacyanoferrate(II)

  12. Write the IUPAC name of [Ag(NH3)2]Cl.

  13. Write the IUPAC name of [Cu(NH3)4]SO4

  14. Give the chemical formula of potassium trioxalato ferrate(III}

  15. Name the type of isomerism that occurs in complexes in which both cation and anion are complex ions.

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