WB JEE 2023 | Coordination Compounds Question 1 | Chemistry

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

Which of the following statements is incorrect?

$${[V{F_6}]^{3 - }}$$ is paramagnetic with 2 unpaired electrons.

$${[CuC{l_4}]^{2 - }}$$ is paramagnetic with 1 unpaired electron.

$${[Co{(N{H_3})_6}]^{3 + }}$$ is diamagnetic

$${[Co{F_6}]^{3 - }}$$ is paramagnetic with 2 unpaired electrons.

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

The calculated spin-only magnetic moment values in BM for $$\mathrm{[FeCl_4]^-}$$ and $$\mathrm{[Fe(CN)_6]^{3-}}$$ are

5.9 BM, 1.732 BM

4.89 BM, 1.732 BM

3.87 BM, 1.732 BM

1.732 BM, 2.82 BM

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

The correct statement about the magnetic properties of $${\left[ {Fe{{(CN)}_6}} \right]^{3 - }}$$ and $${\left[ {Fe{F_6}} \right]^{3 - }}$$ is

Both are paramagnetic

Both are diamagnetic

$${\left[ {Fe{{(CN)}_6}} \right]^{3 - }}$$ is diamagnetic, $${\left[ {Fe{F_6}} \right]^{3 - }}$$ is paramagnetic

$${\left[ {Fe{{(CN)}_6}} \right]^{3 - }}$$ is paramagnetic, $${\left[ {Fe{F_6}} \right]^{3 - }}$$ is diamagnetic

WB JEE 2023

MCQ (Single Correct Answer)

-0.5

Nickel combines with a uninegative monodentate ligand (X$$^-$$) to form a paramagnetic complex [NiX$$_4$$]$$^{2-}$$. The hybridisation involved and number of unpaired electrons present in the complex are respectively

sp$$^3$$, two

dsp$$^2$$, zero

dsp$$^2$$, one

sp$$^3$$, one

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Chemistry

Physical Chemistry

Some Basic Concepts of Chemistry Atomic Structure Redox Reaction Gaseous State Chemical Equilibrium Liquid Solution Ionic Equilibrium Thermodynamics Chemical Kinetics Radioactivity and Nuclear Chemistry Electrochemistry Solid State Surface Chemistry

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Periodic Table Chemical Bonding Metallurgy Hydrogen and It's Compounds Some s Block Elements Some P Block Elements d and f Block Elements Coordination Compounds

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IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Halogen Derivatives Alcohol and Ether Aldehyde and Ketone Aromatic Chemistry Carbonyl Compounds Carboxylic Acids and Amines Polymers Biomolecules Practical Chemistry Chemistry In Everyday Life

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Properties of Triangle Inverse Trigonometric Functions Trigonometric Functions & Equations

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Straight Lines and Pair of Straight Lines Circle Parabola Ellipse and Hyperbola

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Functions Limits, Continuity and Differentiability Differentiation Application of Derivatives Indefinite Integrals Definite Integration Application of Integration Differential Equations