TS EAPCET (Engineering) Coordination Compounds — practice questions
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Practice TS EAPCET (Engineering) Coordination Compounds in the app →The IUPAC name of the coordination compound $[\mathrm{Co(NH_3)_6}]\mathrm{Cl_3}$ is:The total number of unidentate ligand atoms directly bonded to the central metal atom in a coordination comple
An octahedral complex of the type $[\mathrm{MX_2Tetrahedral complexes of the type $[\mathrm{Ma_2b_2}]$ (where a and b are unidentate ligands) do **not** exhib
The octahedral complex $[\mathrm{Co(NH_3)_6}]^{In octahedral crystal-field splitting, what is the energy of the $e_g$ orbitals **relative to** the $t_{2g}$ oA **ligand** in a coordination compound is best described as:**EDTA** (ethylenediaminetetraacetate) is a:Ethylenediamine (en, H₂N-CH₂-CH₂-NH₂) is a:The **oxidation state of Fe** in $K_4[Fe(CN)_6]$ is:The **coordination number** of the central metal in $[Co(NH_3)_4Cl_2]^+$ is:An **octahedral** geometry corresponds to a coordination number of:**Werner's primary valency** of a metal in a coordination compound is satisfied by:Which of the following is a **homoleptic** complex?Which is an example of an **ambidentate** ligand?The IUPAC name of $K_4[Fe(CN)_6]$ is:Which is **not** a feature of a **double salt**?The complex $[Cr(NH_3)_6]Cl_3$ on reaction with excess $AgNO_3$ produces:The IUPAC name of $[Co(NH_3)_5Cl]Cl_2$ is:The IUPAC name for the ligand **H₂O** in a coordination compound is:When two ligand names need numerical prefixes (e.g. 'ethylenediamine' which already has a number prefix in itsCisplatin, $[Pt(NH_3)_2Cl_2]$, is a **square planar** complex used as an anticancer drug. The trans-isomer:Which of the following octahedral complexes can exhibit **geometric (cis/trans)** isomerism?**Optical isomers (enantiomers)** in coordination compounds:The **Effective Atomic Number (EAN)** of Co in $[Co(NH_3)_6]^{3+}$ (Z(Co) = 27) is:In the complex $K_3[Cr(C_2O_4)_3]$, the coordination number and oxidation state of Cr respectively are:How many ions are produced per formula unit when $[Cr(NH_3)_6]Cl_3$ is dissolved in water?A purple complex of $CoCl_3$ with NH₃ gives **2 moles of AgCl** per mole of complex on treatment with excess $The oxidation state of Cr in $[Cr(CO)_6]$ is (Z(Cr) = 24):How many geometric isomers does the octahedral complex $[Co(en)_2Cl_2]^+$ exhibit?Which complex would exhibit **optical isomerism**?The IUPAC name of $[CoCl_2(en)_2]Cl$ is:Which complex obeys the **EAN rule** (EAN = noble gas count)?In Werner's theory of coordination compounds, the *secondary valence* of a metal:1 mol of CoCl₃·6NH₃ (yellow) gives how many moles of AgCl on adding excess AgNO₃?1 mol of CoCl₃·4NH₃ (green or violet) gives how many moles of AgCl?In a coordination compound, the central metal atom/ion is best classified as a:Ethylenediaminetetraacetate (EDTA⁴⁻) is what type of ligand?An ambidentate ligand is one that:In the coordination compound K₃[Fe(CN)₆], the coordination sphere is:In K₃[Fe(C₂O₄)₃], the oxidation state of Fe is:In [Ni(CO)₄], the oxidation state of Ni is:Complexes in which the metal is bound to only one kind of donor group, e.g., [Co(NH₃)₆]³⁺, are called:The IUPAC name of [Co(NH₃)₆]Cl₃ is:The IUPAC name of K₃[Fe(CN)₆] is:In writing the formula of a coordination entity, the ligands are listed:In the name 'tris(ethane-1,2-diamine)cobalt(III) sulphate' for [Co(en)₃]₂(SO₄)₃, why is 'tris' used instead of
Which of the followiIn the octahedral complex [Co(NH₃)₃(NO₂)₃], the two geometrical isomers are called:Linkage isomerism arises from:In [Co(NH₃)₆]³⁺, the hybridisation of Co and the resulting magnetic behaviour are:[NiCl₄]²⁻ and [Ni(CN)₄]²⁻ have the same coordination number 4 but different geometries because:The spin-only magnetic moment μ (in Bohr Magnetons, BM) for n unpaired electrons is given by:In the spectrochemical series, ligands are arranged in order of their field strength. The correct order (weak [Ni(CO)₄], [Fe(CO)₅] and [Cr(CO)₆] are respectively:Chlorophyll, haemoglobin and vitamin B₁₂ are coordination compounds of:Hardness of water is estimated by titration with:In a coordination compound, the central atom is usually:Coordination number is:In [Cu(NH3)4]²⁺ what is the oxidation number of Cu?What is the coordination number in [Co(NH3)6]³⁺?What is the geometry of complex with coordination number 6 typically?What is the geometry of [Ni(CN)4]²⁻?Crystal Field Theory: in an OCTAHEDRAL field, the d-orbitals split into:Spectrochemical series (ligand strength): which is a STRONG-field ligand?Which type of isomerism arises when two ligands can bind through different donor atoms (e.g., NO2⁻ via N vs O)Cis and trans isomers of [Co(NH3)4Cl2]⁺ are examples of:Which complex is paramagnetic?EDTA is a:The complex [Fe(CN)6]⁴⁻ is:In strong-field octahedral, electron filling order in d-orbitals follows:Oxidation state of Co in [Co(NH3)5Cl]Cl2:Number of geometric isomers of [Pt(NH3)2Cl2] (square planar):For octahedral d6 with weak-field ligands (high-spin), number of unpaired electrons:For octahedral d6 with STRONG-field ligands (low-spin), number of unpaired electrons:Number of unpaired electrons in [FeF6]³⁻ (high-spin, F⁻ weak-field):Hybridization in [Ni(CO)4] (Ni is 0 oxidation state, sp3 because CO is strong-field for Ni⁰):For [Cr(H2O)6]³⁺, d-electron count and magnetic behavior:Which one is an ambidentate ligand?For octahedral [Mn(H2O)6]²⁺, d-electron count and unpaired e⁻ count:Name of complex K3[Fe(CN)6]:For [Cu(NH3)4(H2O)2]²⁺ (octahedral with 4 NH3 equatorial + 2 H2O axial), this is:In coordination compound [Cu(NH₃)₄]SO₄, the central metal is:Coordination number of a metal is:Denticity of a ligand refers to:Werner's coordination theory introduced primary and secondary valencies. Primary valency corresponds to:Oxidation state of Cr in [Cr(NH₃)₆]Cl₃:EDTA is a:In [Co(NH₃)₆]Cl₃, the number of ionizable Cl⁻ in solution is:Isomerism where ligands occupy different positions in a square planar complex:In Werner's compound CoCl₃·6NH₃, all NH₃ are bound to Co. Coordination number:Crystal field splitting for d-orbitals in octahedral field. The five d orbitals split into:Spectrochemical series ranks ligands by CFSE strength. Order (low to high):IUPAC name for [Co(NH₃)₅Cl]Cl₂:For [Fe(CN)₆]⁴⁻ (low spin), magnetic moment:Magnetic moment for [Mn(H₂O)₆]²⁺ (high spin, d⁵):Crystal Field Stabilization Energy (CFSE) for high-spin d⁵ octahedral:Geometrical isomers of [Pt(NH₃)₂Cl₂] (square planar):Optical isomers of [Co(en)₃]³⁺ (en = ethylenediamine):Number of unpaired electrons in [Co(NH₃)₆]³⁺ (Co³⁺ is d⁶, strong field NH₃ → low spin):Effective Atomic Number (EAN) of metal in [Ni(CO)₄]:For octahedral d⁴ ion in strong field, electronic config: