Coordination Compounds 2 Question 51

####53. Statement I [Fe(H2O)5NO]SO4 is paramagnetic.

Statement II The Fe in [Fe(H2O)5NO3SO4 has three unpaired electrons.

(2008,3M)

Passage Based Questions

The coordination number of Ni2+ is 4 . NiCl2+KCN (excess) A (cyano complex)

NiCl2+ conc. HCl (excess) B (chloro complex)

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Answer:

Correct Answer: 53. (a, b, d)

Solution:

  1. In the complex [Fe(H2O)5NO]SO4,Fe is in +1 oxidation state because NO is in +1 state. Also NO is a strong ligand, complex has 3d7-configuration at Fe(I) as :



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