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In which of the following coordination entities the magnitude Δ0 (CFSE in octahedral field) will be maximum? [2008]
  • a)
    [Co(H2O)6]3+
  • b)
    [Co(NH3)6]3+
  • c)
    [Co(CN)6]3–
  • d)
    [Co (C2O4)3]3– (At. No. Co = 27)
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
In which of the following coordination entities the magnitude Δ0...
In octahedral field the crystal field splitting of d- orbitals of a metal ion depends upon the field produced by the ligands.
In general ligands can be arranged in a series in the order of increasing fields and splittings which they produce around a central metal ion. A portion of the series is given below. cyanide > ethylene - diamine > ammonia > pyridine>thiocyanate > water> fluoride > oxalate > hydroxide> chloride> bromide > iodide.
Out of the given ligands water, ammonia, cyanide and oxalate, we can find from the above series of ligands that the maximum splitting will occur in case of cyanide (CN–) i.e. the magnitude of Δ0 will be maximum in case of [Co(CN)6]3+.
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In which of the following coordination entities the magnitude Δ0...
Of the coordination number is highest?
a) [Pt(NH3)2Cl2]
b) [Ni(CO)4]
c) [Fe(CN)6]4-
d) [Cu(NH3)4]2+
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When a transition metal ion (usually) is involved in octahedral complex formation, the five degenerate d-orbitals split into two set of degenerate orbitals (3 + 2). Three degenerate orbitals of lower energy (dxy, dyz, dzx) and a set of degenerate orbitals of higher energy (dx2 y2and dz2). The orbitals with lower energy are called t2gorbitals and those with higher energy are called egorbitals.In octahedral complexes, positive metal ion may be considered to be present at the centre and negative ligands at the corner of a regular octahedron. As lobes ofandlie along the axes, i.e., along the ligands the repulsions are more and so high is the energy. The lobes of the remaining three d-orbitals lie between the axes. i.e., between the ligands. The repulsion between them are less, so lesser the energy. In the octahedral complexes, if metal ion has electrons more than 3 then for pairing them the option are(i) Pairing may start with 4thelectron in t2gorbitals.(ii) Pairing may start normally with 6thelectrons when t2gand egorbitals are singly filled.Q. Select incorrect match for the following complexes.

When a transition metal ion (usually) is involved in octahedral complex formation, the five degenerate d-orbitals split into two set of degenerate orbitals (3 + 2). Three degenerate orbitals of lower energy (dxy, dyz, dzx) and a set of degenerate orbitals of higher energy (dx2 y2and dz2). The orbitals with lower energy are called t2gorbitals and those with higher energy are called egorbitals.In octahedral complexes, positive metal ion may be considered to be present at the centre and negative ligands at the corner of a regular octahedron. As lobes ofandlie along the axes, i.e., along the ligands the repulsions are more and so high is the energy. The lobes of the remaining three d-orbitals lie between the axes. i.e., between the ligands. The repulsion between them are less, so lesser the energy. In the octahedral complexes, if metal ion has electrons more than 3 then for pairing them the option are(i) Pairing may start with 4thelectron in t2gorbitals.(ii) Pairing may start normally with 6thelectrons when t2gand egorbitals are singly filled.Q. Which of the following electronic arrangement is /are possible for inner orbital oct complex.(I)(II)(III)(IV)Select the correct code

In which of the following coordination entities the magnitude Δ0 (CFSE in octahedral field) will be maximum? [2008]a)[Co(H2O)6]3+b)[Co(NH3)6]3+c)[Co(CN)6]3–d)[Co (C2O4)3]3– (At. No. Co = 27)Correct answer is option 'C'. Can you explain this answer?
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In which of the following coordination entities the magnitude Δ0 (CFSE in octahedral field) will be maximum? [2008]a)[Co(H2O)6]3+b)[Co(NH3)6]3+c)[Co(CN)6]3–d)[Co (C2O4)3]3– (At. No. Co = 27)Correct answer is option 'C'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about In which of the following coordination entities the magnitude Δ0 (CFSE in octahedral field) will be maximum? [2008]a)[Co(H2O)6]3+b)[Co(NH3)6]3+c)[Co(CN)6]3–d)[Co (C2O4)3]3– (At. No. Co = 27)Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In which of the following coordination entities the magnitude Δ0 (CFSE in octahedral field) will be maximum? [2008]a)[Co(H2O)6]3+b)[Co(NH3)6]3+c)[Co(CN)6]3–d)[Co (C2O4)3]3– (At. No. Co = 27)Correct answer is option 'C'. Can you explain this answer?.
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