CBSE 12th Standard Chemistry Subject Coordination Compounds Ncert Exemplar 5 Mark Questions 2021
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CBSE 12th Standard Chemistry Subject Coordination Compounds Ncert Exemplar 5 Mark Questions 2021
12th Standard CBSE
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Reg.No. :
Chemistry
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Using crystal field theory, draw energy level diagram, write electronic configuration of the central metal atom/ion and determine the magnetic moment value in the following :
(i) \([CoF_6]^{3-}, [Co(H_2O)_6]^{2+},[Co(CN)_6]^{3-}\)
(ii) \([FeF_6]^{3-}, \ [Fe(H_2O)_6]^{2+}, [Fe(CN)_6]^{4-}\).(a) -
Using valence bond theory, explain the following in relation to the complexes given below :
\([Mn(CN)_6]^{3-}, [Co(NH_3)_6]^{3+}, [Cr(H_2O)_6]^{3+}, [FeCl_6]^{4-}\)
(i) Type of hybridisation
(ii) Inner or outer orbital complex.
(iii) Magnetic behaviour.
(iv) Spin only magnetic moment value.(a) -
CoSO4Cl.5 NH3 exists in two isomeric forms 'A' and 'B' gives white precipitate with BaCl2 but does not react with AgNO3. Answer the following questions.
(i) Identify 'A' and 'B' and write their structure formulas.
(ii) Name the type of isomerism involved
(iii) Give the IUPAC name of 'A' and 'B'.(a) -
What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex ?
(a) -
Why are different colours observed in octahedral and tetrahedral complexes for the same metal and same ligands ?
(a)
