CBSE Questions for Class 12 Engineering Chemistry Coordination Compounds Quiz 15 - MCQExams.com

Which of the following complex compounds will exhibit highest paramagnetic behaviour? (At. No. $$Ti = 22, Cr = 24, Co = 27, Zn = 30$$)
  • $$[Zn (NH_3)_6]^{2+}$$
  • $$[Ti (NH_3)_6]^{3+}$$
  • $$[Cr(NH_3)_6]^{3+}$$
  • $$[Co(NH_3)_6]^{3+}$$
If d-d transition energy and electron pair energy for an octahedral complex have values $$45000$$ $$cm^{-1}$$ and $$14000$$ $$cm^{-1}$$ the value of CFSE is: 
  • $$6.2 \times 10^{14} J$$
  • $$7.0\times 10^{-19}J$$
  • $$2.5\times10^{-20}J$$
  • $$8.94\times10^{-19}J$$
0:0:1


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