MEDIUM
JEE Main
IMPORTANT
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The isomer(s) of CoNH34Cl2] that has/ have a Cl-Co-Cl angle of 90o, is/are:

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Important Questions on Coordination Compounds

HARD
JEE Main
IMPORTANT
Complex X  Of composition CrH2O6Cln Has a spin only magnetic moment of 3.83 B.M. It reacts with AgNO3 And shows geometrical isomerism. The IUPAC nomenclature of X Is:
EASY
JEE Main
IMPORTANT
Homoleptic octahedral complexes of a metal ion M3+ with three monodentate ligands L1, L2 and L3 absorb wavelengths in the region of green, blue and red respectively. The increasing order of the ligand strength is:
MEDIUM
JEE Main
IMPORTANT
The complex that has highest crystal field splitting energy , is:
MEDIUM
JEE Main
IMPORTANT
Two complexes CrH2O6 Cl3 A and CrNH36Cl3B  are violet and yellow coloured, respectively, The incorrect statement regarding them is:
MEDIUM
JEE Main
IMPORTANT
The maximum possible denticities of a ligand given below towards a common transition and inner-transition metal ion, respectively, are:
MEDIUM
JEE Main
IMPORTANT
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.
MEDIUM
JEE Main
IMPORTANT
The one that will show optical activity is
(en=ethane-1, 2-diamine)