MEDIUM
Earn 100

Explain the formation of [Ni(CO)4] based on VBT?

Important Questions on Coordination Compounds

MEDIUM
Explain the geometry of [Cu(NH3)4]2+ on the basis of hybridisation [At. No. Cu = 29].
EASY
Identify the set of paramagnetic ions among the following:
MEDIUM
Among the following, the square planar geometry is exhibited by:
MEDIUM
FeCN64- and FeH2O62+ are of different colours in dilute solutions. Why?
MEDIUM
Which of these statements about CoCN63- is true?
HARD
The difference in the number of unpaired electrons of a metal ion in its high-spin and low-spin octahedral complexes is two. The metal ion is:
EASY
Which of the following molecules doesn't exist according to Valence Bond Theory?
MEDIUM
The correct order of the spin –only magnetic moment of metal ions in the following low-spin complexes, [V(CN)6]4-,[Fe(CN)6]4-,[Ru(NH3)6]3+ and [Cr(NH3)6]2+, is:
HARD
Which one of the following has square planar structure?
MEDIUM
The correct statements among I to III are:
(I) Valence bond theory cannot explain the color exhibited by transition metal complexes.
(II) Valence bond theory can predict quantitatively the magnetic properties of transition metal complexes.
(III) Valence bond theory cannot distinguish ligands as weak and strong field ones.
HARD
What is the correct electronic configuration of the central atom in K4FeCN6 based on crystal field theroy?
MEDIUM
The metal's d- orbitals that are directly facing the ligands in K3CoCN6 are:
MEDIUM
The calculated spin-only magnetic moments BM of the anionic and cationic species out of Fe H 2 O 6 +2 and Fe CN64- respectively, are:
MEDIUM
Complete removal of both the axial ligands (along the z-axis ) from an octahedral complex leads to which of the following splitting patterns? (relative orbital energies not on scale).
HARD
The molecule in which hybrid MOs involve only one d-orbital of the central atom is :
HARD

Choose the correct statement(s) among the following:

 

MEDIUM
The hybridization involved in complex NiCN42- is: (Atomic number of Ni = 28)
HARD
The geometries of the ammonia complexes of Ni2+ , Pt2+ and Zn2+ respectively, are :