Chemistry · JEE

Important Questions: Coordination Compounds for JEE

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The most important Coordination Compounds questions for JEE cover conceptual traps, standard results, and numerical patterns from Introduction to coordination compounds, Werner's theory, ligands, coordination number, denticity, chelation, IUPAC nomenclature of mononuclear co-ordination compounds, isomerism, Bonding: Valence bond approach and basic ideas of Crystal field theory, Colour and magnetic properties, and more. Goodmarks provides 10+ high-yield MCQs with full solutions.

Focus on what matters most. These important Coordination Compounds questions cover high-weightage concepts from Introduction to coordination compounds, Werner's theory, ligands, coordination number, denticity, chelation, IUPAC nomenclature of mononuclear co-ordination compounds, isomerism, Bonding: Valence bond approach and basic ideas of Crystal field theory, Colour and magnetic properties, and more — the topics JEE repeats every year.

Subtopics in Coordination Compounds

Introduction to coordination compounds, Werner's theory, ligands, coordination number, denticity, chelation
IUPAC nomenclature of mononuclear co-ordination compounds, isomerism
Bonding: Valence bond approach and basic ideas of Crystal field theory
Colour and magnetic properties
Importance of coordination compounds (in qualitative analysis, extraction of metals and in biological systems)

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Q1ChemistryUnit 12: Coordination Compounds

The idea of froth floatation method came from a person

X

and this method is related to the process

Y

of ores.

X

and Y, respectively, are:

Q2ChemistryUnit 12: Coordination Compounds

Silver is extracted from

A g_{2} S

Q3ChemistryUnit 12: Coordination Compounds

Some salts, although containing two different metallic elements, give test for one of them in solution. Such salts are:

Q4ChemistryUnit 12: Coordination Compounds

Select the correct statements amount the following: 1. Complexes

\left[\boldsymbol{C u}\left(\boldsymbol{N} \boldsymbol{H}_{3}\right)_{4}\right]^{2+},\left[\boldsymbol{M} \boldsymbol{n} \boldsymbol{C l}_{4}\right]^{2+},\left[\boldsymbol{F} \boldsymbol{e}(\boldsymbol{C} \boldsymbol{N})_{6}\right]

are all paramagnetic 2. Complexes

\left[\boldsymbol{C u}\left(\boldsymbol{N} \boldsymbol{H}_{3} \boldsymbol{4}\right)\right]^{2+},\left[\boldsymbol{N} \boldsymbol{i}(\boldsymbol{C} \boldsymbol{N})_{4}\right]^{2-},[\boldsymbol{N} \boldsymbol{i}(\boldsymbol{D} \boldsymbol{M}

are all square planner 3. The correct stability order of the complexes will be

\left[\boldsymbol{F e}\left(\boldsymbol{H}_{2} \boldsymbol{O}\right)_{3}\right]^{3+}<

\left[\boldsymbol{F e}\left(\boldsymbol{C}_{2} \boldsymbol{O}_{3}\right)\right]^{3-}<\left[\boldsymbol{F} \boldsymbol{e}(\boldsymbol{C} \boldsymbol{N})_{3}\right]^{3-}

\left[\boldsymbol{C r}(\boldsymbol{e n})_{3}\right]^{3+}

exist in the three isometric forms

Q5ChemistryUnit 12: Coordination Compounds

In the extraction of aluminium by electrolytic process, cryolite is added to

Q6ChemistryUnit 12: Coordination Compounds

The incorrect statement(s) among the following is (are): ¡) Primary valency of a transition metal ion in complex represent its oxidation number. ii)

Z n^{2+}

is colourless. iii)

M n C l_{2}

exhibits green color in aqueous solution. iv)

F e, C o, N i

complexes are diamagnetic in nature.

Q7ChemistryUnit 12: Coordination Compounds

ASSERTION: In the extraction of Ag, complex

\mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]

is reacted with Zn. REASON: Zn is a d-block transition metal.

Q8ChemistryUnit 12: Coordination Compounds

The element which could be extracted by electrolytic reduction of its oxide dissolved in a high temperature melt is:

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Frequently asked questions

What makes a Coordination Compounds question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Coordination Compounds are high-weightage?

Key areas include Introduction to coordination compounds, Werner's theory, ligands, coordination number, denticity, chelation, IUPAC nomenclature of mononuclear co-ordination compounds, isomerism, Bonding: Valence bond approach and basic ideas of Crystal field theory, Colour and magnetic properties, and more. Prioritise these before moving to edge cases.

How many important questions should I revise?

Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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Pro users can filter by unit and subtopic to target high-yield areas. Free users can attempt sample questions on this page.