JEE Main 2021 (Online) 1st September Evening Shift | Coordination Compounds Question 127 | Chemistry

The Crystal Field Stabilization Energy (CFSE) and magnetic moment (spin-only) of an octahedral aqua complex of a metal ion (M^z+) are $$-$$0.8 $$\Delta$$₀ and 3.87 BM, respectively. Identify (M^z+) :

V³⁺

Cr³⁺

Mn⁴⁺

Co²⁺

JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

The potassium ferrocyanide solution gives a Prussian blue colour, when added to :

CoCl₃

FeCl₂

CoCl₂

FeCl₃

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

Spin only magnetic moment in BM of [Fe(CO)₄(C₂O₄)]⁺ is :

5.92

1.73

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

-1

The denticity of an organic ligand, biuret is :

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