Number of ions produced from the complex [Co(NH3)6]Cl2 in an aqueous solution are-
6
4
3
2
Compound with the highest magnetic moment value is -
[Cr(H2O)6]3+
[Fe(H2O)6]2+
[Zn(H2O)6]2+
[Ti(H2O)6]2+
The oxidation number of Cobalt in K[Co(CO)4] is
+1
+3
–1
–3
The most stable complex among the following is -
[Fe(H2O)6]3+
[Fe(NH3)6]3+
[Fe(C2O4)3]3–
[FeCl6]3–
What is the overall complex dissociation equilibrium constant for the [Cu(NH3)]2+ ion , given that β4 for this complex is 2.1 × 1013 ?
1. 4.7 × 10-142. 3.6 × 10-123. 4.9 × 10144. 5.6 × 10-13
Indicate the complex ion which shows geometrical isomerism-
4. Co(CN)63-
Cr(H2O)4Cl2+
Pt(NH3)3Cl
Co(NH3)63+
In quantitative analysis of second group in lab. H2S gas is passed in acidic medium for ppt. When Cu+2 and Cd+2 react with KCN, then in which of the following condition, precipitate will not be formed due to relative stability :
K2[Cu(CN)4] – More stable
K2[Cu(CN)4] – Less stable
K3[Cu(CN)4] – More stable
K3[Cu(CN)4] – Less stable
A complex compound which is formed by ligands nitrate and chloride. It gives two moles of AgCl precipitate with AgNO3. What will be its formulae :
[Co(NH3)5NO3]Cl2
[Co(NH3)5Cl]NO3Cl
[Co(NH3)4Cl2]NO3
[Co(NH3)4ClNO3]Cl
Shape of Fe(CO)5 is :
Octahedral
Square planar
Trigonal bipyramidal
Square pyramidal
Mg is present in :
Chlorophyll
Haemoglobin
Vitamin-B12
Vitamin-B
Number of isomers of [Pt (NH3)4] [CuCl4] complex are :
The coodination compound that will give four isomers is :
[Fe(en)3]Cl3
[Co(en)2Cl2]Cl
[Fe(PPh3)3NH3ClBr]Cl
[Co(PPh3)3Cl]Cl3
The IUPAC name of [Co(NH3)3ClBrNO2] will be :
[Cu(NH3)4]+2 reacts with HNO3 in excess of water gives :
Cu(OH)2
Cu(NO3)2
Cu(H2O)-2
None of the above
In [Cr(NH3)6] Br3 , number of unpaired electrons in Cr is :
Anticancer agent among the following is :-
CN– is a strong field ligand. This is due to the fact that :-
It is a pseudohalide.
It can accept electrons from metal species.
It forms high spin complexes with metal species.
It carries a negative charge.
Considering H2O as a weak field ligand, the number of unpaired electrons in \([Mn(H_{2}O)_{6}]^{2+}\) will be –(At. no. of Mn = 25)
Five
Two
Four
Three
Among [Ni(CO)4],[Ni(CN)4]2−,[NiCl4]2- species, the hybridization states at the Ni atom are respectively :-(At. No. of Ni = 28)
Coordination compound that would exhibit optical isomerism is :
Diamminedichloroplatinum (II)
Trans-dicyanobis (ethylenediamine) chromium (III) chloride
Tris – (ethylenediamine) cobalt (III) chloride
Pentaamminenitrocobalt (III) iodide
Atomic number of Cr and Fe are respectively 24 and 26 . Among the following the one that is paramagnetic with the spin of electron is : -
CrCO6
FeCO5
FeCN6-4
CrNH36+3
The hypothetical complex chlorodiaquatriamminecobalt (III) chloride can be represented as-
CoClNH33H2O2Cl2
CoNH33H2OCl3
CoNH23H2O2Cl
CoNH33H2O3Cl3
CuSO4 when reacts with KCN forms CuCN, which is insoluble in water.It is soluble in excess of KCN, due to formation of the following complex : -
CuCN2
Cu[KCu(CN)4]
K2[Cu(CN)4]
K3[Cu(CN)4]
The coordination compound that give maximum number of isomers : -
[Co(NH3)4Cl2]
[Ni(en)(NH3)4]+2
[Ni(C2O4)(en)2]
[Cr(SCN)2(NH3)4]+
According to IUPAC nomenclature, sodium nitroprusside is named as -
Sodium nitroferricyanide
Sodium nitroferrocyanide
Sodium pentacyanidonitrosyl ferrate (II)
Sodium pentacyanonitrosyl ferrate (III)
The number of unpaired electrons in the complex ion [CoF6]3– is-
(A + No = Co = 27)
Zero
Vitamin B12 contains :
Fe(II)
Co(III)
Zn(II)
Ca(II)
The coordination number of Ni in [Ni(C2O4)3]4- is :
The organometallic compound that is σ and π bonded is : -
[Fe(η5-C5H5)2]
K[PtCl3(η2-C2H4)]
[Co(CO)5NH3]+2
Fe(CH3)3
Incorrect option among the following is : -
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