JEE Main 2019 (Online) 12th April Morning Slot | Coordination Compounds Question 190 | Chemistry

Complete removal of both the axial ligands (along the z-axis) from an octahedral complex leads to which of the following splitting patterns? (relative orbital energies not on scale).

JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Coordination Compounds Question 189 English Option 1

JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Coordination Compounds Question 189 English Option 2

JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Coordination Compounds Question 189 English Option 3

JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Coordination Compounds Question 189 English Option 4

JEE Main 2019 (Online) 10th April Evening Slot

MCQ (Single Correct Answer)

-1

The crystal field stabilization energy (CFSE) of [Fe(H₂O)₆]Cl₂ and K₂[NiCl₄] respectively, are :

– 0.4 $$\Delta $$₀ and – 0.8 $$\Delta $$_t

– 0.6 $$\Delta $$₀ and – 0.8 $$\Delta $$_t

– 2.4 $$\Delta $$₀ and – 1.2 $$\Delta $$_t

– 0.4 $$\Delta $$₀ and – 1.2 $$\Delta $$_t

JEE Main 2019 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

The species that can have a trans-isomer is :
(en = ehane-1, 2-diamine, ox = oxalate)

[Cr(en)²(ox)]⁺

[Pt(en)Cl₂]

[Pt(en)₂Cl₂]²⁺

[Zn(en)Cl₂]

JEE Main 2019 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

Three complexes,
[CoCl(NH₃)₅] ²⁺(I),
[Co(NH₃)₅H₂O]³⁺ (II) and
[Co(NH₃)₆] ³⁺(III)
absorb light in the visible region. The correct order of the wavelength of light absorbed by them is :

(III) > (I) > (II)

(III) > (II) > (I)

(I) > (II) > (III)

(II) > (I) > (III)

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