JEE Main 2015 (Offline) | Coordination Compounds Question 241 | Chemistry

The octahedral complex of a metal ion M³⁺ with four monodentate ligands L₁, L₂, L₃ and L₄ absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is :

L₃ < L₂ < L₄ < L₁

L₁ < L₂ < L₄ < L₃

L₄ < L₃ < L₂ < L₁

L₁ < L₃ < L₂ < L₄

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

-1

The equation which is balanced and represents the correct product(s) is :

[Mg (H₂O)₆ ]²⁺ + (EDTA)^4- $$\buildrel {excess\,NaOH} \over \longrightarrow $$ [Mg (EDTA) ]²⁺ + 6H₂O

CuSO₄ + KCN $$\to$$ K₂ [Cu (CN)₄] + K₂SO₄

Li₂O + 2KCl $$\to$$ 2LiCl + K₂O

[CoCl(NH₃)₅]⁺ + 5H⁺ $$\to$$ Co²⁺ + $$5NH_4^+$$ + Cl^-

JEE Main 2013 (Offline)

MCQ (Single Correct Answer)

-1

Which of the following complex species is not expected to exhibit optical isomerism?

[Co (en)₂ Cl₂]^-

[Co (NH₃)₃ Cl₃]

[Co (en) (NH₃)₂ Cl₂]⁺

[Co (en)₃]³⁺

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