NEW
Font size
WorksheetsCoordination Chemistry
Total questions: 15
Worksheet time: 8mins
Coordination compounds play a vital role in
biological functions
catalytic applications
both a and b
none of these
When two or more stable compounds in solution are mixed together and allowed to evaporate, in certain cases there is a possibility for the formation of
coordination compounds
mixed salt
double salt
both a and c
The central metal ion of K4[Fe(CN)6]
Fe+
Fe2+
Fe3+
Fe4+
The coordination entity of K2[NiCl4]
NiCl4
K2[NiCl4
[NiCl4]2-
Ni2+
In the complex [Co(NH3)5Cl]Cl, the coordination number is
3
5
6
4
Which one is a cationic complex?
K3[Fe(CN)6]
Na2[Ni(EDTA)]
[Co(en)2Cl2]Cl
K3[Fe(CN)5NO]
What type of bond in Ozone?
1 covalent and 1 coordinate bond
2 covalent and 1 coordinate bond
1 coordinate bond only
1 covalent bond only
Which formula is correct for this complex ion: Sodium hexacyanoferrate(III)?
S4[Fe(CN)6]
Na2[Fe(CN6)6]
Na4[Fe(CN)6]
Na4[Fe(CN)5]
What is the correct formula for the complex ion: Tetraaquadichlorochromium(III) chloride?
[Cr(H2O)4Cl2]Cl
[Cr(H2O)3Cl3]Cl
Co-ordination number can be defined as
Ring forming ligands
Number of monodentate ligands linked to central atom
Ligands capable of accepting π-e- density
Ligand & central metal ion kept in square bracket
Complexes having bidentate ligands are known as
co-ordination sphere
chelates
central metal atom or ion
complex ion
Which theory is considered as the first theory, regarding the bonding in Co-ordination Compounds?
Crystal Field Theory
Werner's theory
MO theory
VB theory
According to the postulates of Werner for coordination
compounds
secondary valency is ionizable
primary valency is ionizable
primary and secondary valencies are non-ionizable
only primary valency is non-ionizable
The unpaired electrons in Ni(CO)4 are
0
1
3
4
EAN rule was proposed by -----
Jean Marie Lehn
Alfred Werner
Sidgwick
De Broglie
