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Class XII Chemistry Coordination Compounds 4: Crystal Field Theory

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Question 1

In the coordination compound [Co(en)₂Cl₂]Cl (en=ethylenediamine), the coordination number and oxidation number of the central atom are, respectively :

Question 2

In the complex ion ML₆ⁿ⁺, Mⁿ⁺ has four d-electrons and L is a strong field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

Question 3

For the t_2g⁶e_g²system, the value of magnetic moment (μ) is:

Question 4

For which transition metal ions are low spin complexes possible:

Question 5

Which of the following system can have minimum number of unpaired electrons?

Question 6

In the complex ion ML₆ⁿ⁺, Mⁿ⁺ has five d-electrons and L is a weak field ligand. According to crystal field theory, the magnetic properties of the complex ion correspond to how many unpaired electrons?

Question 7

Which is low spin complex:

Question 8

Among the following ions, which one has the highest paramagnetism?

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Nov 28JEE & BITSAT