Coordination Compounds

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Topics

• Werner's theory, ligands, coordination number, denticity, chelation 10
• IUPAC nomenclature 1
• Isomerism in coordination compounds 2
• Valence bond approach 4
• Crystal field theory, colour and magnetic properties 10

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• Chemistry: Coordination Compounds – NEET practice test Practice set · NEET · 27 questions · 27 min

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• Which of the following are paramagnetic?A. [NiCl_4]^2- B. Ni(CO)_4 C. [Ni(CN)_4]^2- D. [Ni(H_2O)_6]^2+ E. Ni(PPh_3)_4Choose the correct answer from the options given below: Answer: 3. A and D only Key idea: paramagnetic means unpaired electrons. A: mathrm[NiCl₄]²⁻ , mathrmNi²⁺ d⁸, weak field Cl⁻, tetrahedral sp³... Crystal field theory, colour and magnetic properties 1 answer
• The correct order of the wavelength of light absorbed by the following complexes is,A. [Co(NH_3)_6]^3+ B. [Co(CN)_6]^3- C. [Cu(H_2O)_4]^2+ D. [Ti(H_2O)_6]^3+Choose the correct answer from the options given below: Answer: 2. B < A < D < C Key idea: the larger the crystal field splitting Δ , the higher the energy absorbed and the shorter the wavelength.... Crystal field theory, colour and magnetic properties 1 answer
• Out of the following complex compounds, which of the compound will be having the minimum conductance in solution? Answer: 1. [Co(NH₃)₃Cl₃] or 2. [Co(NH₃)₄Cl₂] Key idea: conductance in solution depends on the number of ions produced; a non-electrolyte giv... Werner's theory, ligands, coordination number, denticity, chelation 1 answer
• Given below are two statements :Statement I : [Co(NH_3)_6]^3+ is a homoleptic complex whereas [Co(NH_3)_4Cl_2]^+ is a heteroleptic complex.Statement II : Complex [Co(NH_3)_6]^3+ has only one kind of ligands but [Co(NH_3)_4Cl_2]^+ has more than one ki… Answer: 2. Both Statement I and Statement II are true. Key idea: a homoleptic complex has only one kind of ligand; a heteroleptic complex ha... Werner's theory, ligands, coordination number, denticity, chelation 1 answer
• Match List I with List II.List I (Complex): A. [Co(NH_3)_5(NO_2)]Cl_2 B. [Co(NH_3)_5(SO_4)]Br C. [Co(NH_3)_6][Cr(CN)_6] D. [Co(H_2O)_6]Cl_3List II (Type of isomerism): I. Solvate isomerism II. Linkage isomerism III. Ionization isomerism IV. Coordinat… Answer: 2. A-II, B-III, C-IV, D-I Key idea: match each complex to the isomerism it can show. A, [Co(NH₃)₅(NO₂)]Cl₂ : NO₂^- is ambidentate, s... Isomerism in coordination compounds 1 answer
• Given below are two statements :Statement I : Both [Co(NH_3)_6]^3+ and [CoF_6]^3- complexes are octahedral but differ in their magnetic behaviour.Statement II : [Co(NH_3)_6]^3+ is diamagnetic whereas [CoF_6]^3- is paramagnetic.In the light of the abo… Answer: 2. Both Statement I and Statement II are true. Key idea: the ligand field strength decides pairing in mathrmCo³⁺ ( d⁶ ). NH₃ is a st... Valence bond approach 1 answer