CBSE Class 12 Chemistry 2019 Outside Delhi Set 2 Solved Paper

© examsnet.com
Question : 11
Total: 27
(a) Using valence bond theory, write the hybridization and magnetic character of the complex [Fe(CN)6]4. (Atomic no. of Fe=26 )
(b) Write the electronic configuration of d6 on the basis of crystal field theory when:
(i) 0< P and
(ii) 0>P
Solution:  
(a) Oxidation number of Fe is +2 in [Fe(CN)6]4
Fe2+3d6
Six CNions give their six pairs of electron to the empty orbitals. The orbitals utilized for hybridization is d2 sp3.
© examsnet.com
Go to Question: