Crystal Field Splitting in Octahedral and Tetrahedral Complexes

JEE Main Chemistry · Coordination Compounds · 20 questions, latest first

• Which of the following are true about the energy of the given d-orbitals of a tetrahedral complex? A. d_x y=d_x z>d_x^2-y^2 B.…20266 April, Shift 1 · Q62
• The total number of unpaired electrons present in the d^3, d^4 (low spin) d^5 (high spin), d^6 (high spin) and d^7 (low spin)…20265 April, Shift 2 · Q71
• Given below are two statements: Statement I: Each electron in e_g orbitals destabilizes the orbitals by +0.6 Δ_o and each…20265 April, Shift 1 · Q62
• The number of isoelectronic species among Sc^3+, Cr^2+, Mn^3+, Co^3+ and Fe^3+ is ' n '. If ' n ' moles of AgCl is formed during…202628 January, Shift 2 · Q75
• [Ni(PPh_3)_2 Cl_2] is a paramagnetic complex. Identify the INCORRECT statements about this complex. A. The complex exhibits…202622 January, Shift 2 · Q61
• Given below are two statements: Statement (I): In octahedral complexes, when Δ_o<P high spin complexes are formed. When Δ_o>P low…20252 April, Shift 1 · Q60
• A transition metal (M) among Mn, Cr, Co and Fe has the highest standard electrode potential (M^3+ / M^2+). It forms a metal…20252 April, Shift 1 · Q74
• The conditions and consequence that favours the t_2 g^3 e_g^1 configuration in a metal complex are:202524 January, Shift 2 · Q61
• Identify the coordination complexes in which the central metal ion has d^4 configuration. [FeO_4]^2- [Mn(CN)_6]^3- [Fe(CN)_6]^3-…202523 January, Shift 2 · Q63
• Identify the homoleptic complex(es) that is/are low spin. [Fe(CN)_5 NO]^2- [CoF_6]^3- [Fe(CN)_6]^4- [Co(NH_3)_6]^3+ (E) [Cr(H_2…202522 January, Shift 2 · Q61
• Number of Complexes with even number of electrons in t_2 g orbitals is - [Fe(H_2 O)_6]^2+,[Co(H_2 O)_6]^2+,[Co(H_2…20248 April, Shift 1 · Q71
• Match List - I with List - II. Choose the correct answer from the options given below:20246 April, Shift 2 · Q71
• The number of complexes from the following with no electrons in the t_2 orbital is ____.…20245 April, Shift 2 · Q71
• If an iron (III) complex with the formula [Fe(NH_3)_x(CN)_y]^- has no electron in its e_g orbital, then the value of x+y is20244 April, Shift 2 · Q71
• Match List I with List II Choose the correct answer from the options given below:202431 January, Shift 2 · Q71
• The complex with highest magnitude of crystal field splitting energy (Δ_0) is202315 April, Shift 1 · Q70
• The homoleptic and octahedral complex of Co^2+ and H_2 O has ____ unpaired electron(s) in the t_2 g set of orbitals.202315 April, Shift 1 · Q89
• In potassium ferrocyanide, there are ____ pairs of electrons in the t_2 g set of orbitals.202310 April, Shift 1 · Q90
• Which of the following cannot be explained by crystal field theory?202324 January, Shift 2 · Q40
• The d-electronic configuration of [CoCl_4]^2- in tetrahedral crystal field is e^m t_2^n. Sum of " m " and "number of unpaired…202324 January, Shift 1 · Q58