Coordination Compounds

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Question

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Question 1 :

The oxidation state of Cr in [Cr(NH3)4Cl2]+ is

1. +3
2. +2
3. +1
4. 0
Answer
5766

Question 2 :

Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

1. [Cr(CN)₆]^3–
2. [Mn(CN)₆]^3–
3. [Fe(CN)₆]^3–
4. [Co(CN)₆]^3–
Answer
5767

Question 3 :

The correct statement with respect to the complexes Ni(CO)4 and [Ni(CN)4]2– is

1. nickel is in the same oxidation state in both
2. both have tetrahedral geometry
3. both have square planar geometry
4. have tetrahedral and square planar geometry respectively
Answer
5768

Question 4 :

The magnetic moment (spin only) of [NiCl₄]₂– is

1. 1.41 BM
2. 1.82 BM
3. 5.46 BM
4. 2.82 BM
Answer
5769

Question 5 :

The oxidation state of iron in K₄ [Fe (CN)₆] is

1. 1
2. 2
3. 3
4. 4
Answer
5770