WorksheetsCo-ordination Compound
Total questions: 20
Worksheet time: 7mins
Which of the following has lowest Δo value?
CN-
CO
F-
NH3
The IUPAC name of the complex [Pt(NH3)Br(NO2)Cl]Cl is
Triamminechloridobromidonitrito-Nplatinum (IV) chloride
Triamminebromidonitrito-Nchloridoplatinum (IV) chloride
Triamminebromidochloridonitrito-Nplatinum (IV) chloride
Triamminebromidochloridonitrito-Oplatinum (IV) chloride
Among the following the most stable complex is
[Fe(H2O)6]3+
[Fe(CN)6]3-
[Fe(C2O4)3]3-
[FeCl6]3-
The number of chloride ion/ions produced by complex pentaamminechloridoplatinum (IV) chloride in an aqueous solution is
one
two
three
none
The primary and secondary valencies of chromium in the complex ion, dichloridodioxalatochromium (III), are respectively
3, 4
4, 3
3, 6
6, 3
Which of the following is responsible for Violet colour of [Ti(H2O)6]3+ Ion
Coordination bonding
d-d transition
Back Bonding
Ligand field
The hybridization states of the central atom in the complex ions [FeF6]3-, [Co(NH3)6]3+ and [Fe(H2O)6]3+ are
(a) sp3d2, dsp2 and sp3d2 respectively
(b) all d2sp3
(c) all sp3d2
(d) sp3d2, d2sp3 and sp3d2 respectively
[Fe(H2O)6]3+ is strongly paramagnetic whereas [Fe(CN)6]3– is weakly paramagnetic. Explain
due to 4 unpaired electron in [Fe(H2O)6]3+ and [Fe(CN)6]3– have 5 unpaired electron
due to 5 unpaired electron in [Fe(H2O)6]3+ and [Fe(CN)6]3– have 1 unpaired electron
due to 5 unpaired electron in [Fe(H2O)6]3+ and [Fe(CN)6]3– have 4 unpaired electron
due to 4 unpaired electron in [Fe(H2O)6]3+ and [Fe(CN)6]3– have 5 unpaired electron
The correct formula of Potassium diaquatetrachloridochromate (III) is
K2[CrCl4(H2O)2]
K2[CrCl2(H2O)4]
K[CrCl4(H2O)2]
K[CrCl2(H2O) 4]
Which of the following is a complex compound?
K2SO4.Al2SO4.24H2O
FeSO4.(NH4)2SO4.6H2O
[Cu(H2O)4]SO4.H2O
NONE OF THESE
The IUPAC name for [Pt(NH3)3(Br)(NO2)(Cl)]Cl is
(a) triamminechlorobromonitroplatinum(IV) chloride
(b) triamminebromochloronitroplatinum(IV) chloride
(c) triaminenitrochlorobromoplatinum(IV) chloride
(d) triamminechloronitrobromoplatinum(IV) chloride
Geometrical shapes of the complexes formed by the reaction of Ni2+ with Cl¯ , CN¯ and H2O,
respectively are
(a) octahedral, tetrahedral and square planar
(b) tetrahedral, square planar and octahedral
(c) square planar, tetrahedral and octahedral
(d) octahedral, square planar and tetrahedral
In [Cr(C2O4)3]3–, the isomerism shown is –
(a) Ligand
(b)Optical
(c)Geometrical
(d) Ionization
How many unpaired electrons are present in [CoCl6]3- complex and which metal orbitals are used in bonding?
(a) 0 unpaired electrons and 4s, 4p and 4d orbitals to give sp3d2 hybridization.
(b) 4 unpaired electrons and 4s, 4p and 4d orbitals to give sp3d2 hybridization.
(c) 0 unpaired electrons and 3d, 4s and 4p orbitals to give d2sp3 hybridization.
(d) 4 unpaired electrons and 3d, 4s and 4p orbitals to give d2sp3 hybridization
Which of the following species is expected to be colourless?
(a) [Ti(H2O)6]3+
(b) [Sc(H2O)6]2+
(c) [Cr(NH3)6]3+
(d) [Fe(CN)6]4-
The coordination number and the oxidation state of the element 'E' in the complex [Co(en)2Cl2]+
(where (en) is ethylene diamine) are, respectively–
(a) 6 and +2
(b) 4 and +2
(c) 4 and +3
(d) 6 and +3
Draw the structure of cis isomer of [Co(NH3)4Cl2]+
none of these
Both are correct
6,6,6,4,4
4,6,6,4,6
4,6,6,6,4
4,6,4,6,6
Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with the central metal ion
the relative positions of the unidentate ligands attached to the central metal atom are the same with respect to each other
the relative positions of the unidentate ligands attached to the central metal atom are the different with respect to each other
both are correct
none of these
Predict the shape and hybridization
SP3d and square planner
dsp3 and trigonal bi pyramidal
sp3d and square pyramidal
sp3d and trigonal bi pyramidal
