The species that cannot act as an ambidentate ligand is:

1.	\(\mathrm{CN}^-\)	2.	\(\mathrm{NO}^-_2\)
3.	\(\mathrm{SCN}^-\)	4.	\(\mathrm{NH_3}\)

The correct statement, among the following, regarding [Mn(CN)₆]^3- is:

1. It is sp³d² hybridised and octahedral in shape

2. It is sp³d² hybridised and tetrahedral in shape

3. It is d²sp³ hybridised and octahedral in shape

4. It is dsp² hybridised and square planar in shape

Pick out the correct statement with respect to [Mn(CN)₆]^3-.
 

1. It is sp³d² hybridised and octahedral.

2. It is d²sp³ hybridised and octahedral.

3. It is sp³d² hybridised and tetrahedral.

4. It is dsp² hybridised and square planar.

The complex that is used as an anticancer agent is:

1. mer-[Co(NH₃)₃Cl₃         

2. cis-[PtCl₂(NH₃)₂]

3. cis-K₂[PtCl₂ Br₂]           

4. Na₂CoCl₄

The complex with a square planar shape and dsp² hybridization among the following is:

1. [Ni(CN)₄]^2-

2. [Cu(NH₃)₄]²⁺

3. [PtCl₄]^2-

4. All of these

The denticity of EDTA is:

IUPAC name of [Pt(NH₃)₃(Br)(NO₂)Cl]Cl is:

The coordination entity among the following has the maximum magnitude of  ∆ ₀(CFSE in octahedral field).

1. [Co(H₂O)₆]³⁺

2. [Co(NH₃)₆]³⁺

3. [Co(CN)₆]^3-

4. [Co(C₂O₄)₃]^3-

A compound among the following has both fac-mer and optical isomers is:

1. [Co(NH₃)₅(NO₃)]     

2. [Co(en)₃]³⁻

3. [Co(gly)₃]

4. None of the above

Consider the following complex ions P, Q and R,

P = ${\left[{\mathrm{FeF}}_6\right]}^{3-}$

Q = ${\left[\mathrm{V}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}$

and R= ${\left[\mathrm{Fe}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{2+}$

The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is:

1. R<Q<P

2. Q<R<P

3. R<P<Q

4. Q<P<R