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Chemistry · JEE

Colour and magnetic properties Revision for JEE

6+ syllabus-aligned questions available

Quick answer

Revise Colour and magnetic properties by covering every subtopic once, drilling formulas, then solving 6+ timed MCQs with full solutions.

Use this Colour and magnetic properties revision checklist before mocks and the final exam. Reinforce concepts with 6+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

  1. 1.Core idea: Colour and magnetic properties
  2. 2.Relates to other subtopics in Coordination Compounds
  3. 3.Werner theory, ligands, coordination number
  4. 4.IUPAC nomenclature, isomerism
  5. 5.Master Colour and magnetic properties definitions and standard results
  6. 6.Solve 20 timed MCQs for Colour and magnetic properties

Syllabus context

Part of Coordination Compounds in JEE Main Chemistry.

Free sample questions

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Q1ChemistryUnit 12: Coordination Compounds
The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H2O)6]2\left[\boldsymbol{F} e\left(\boldsymbol{H}_{2} \boldsymbol{O}\right)_{6}\right]_{2} and [Fe(CN)6],\left[\boldsymbol{F e}(\boldsymbol{C} \boldsymbol{N})_{\mathbf{6}}\right], respectively, are:
Q2ChemistryUnit 12: Coordination Compounds
Which of the following options are correct regarding the complex [Fe(CN)6]3−and⁡[Fe(CN)6]4−\left[\boldsymbol{F} \boldsymbol{e}(\boldsymbol{C} \boldsymbol{N})_{\boldsymbol{6}}\right]^{\boldsymbol{3}-} \operatorname{and}\left[\boldsymbol{F} \boldsymbol{e}(\boldsymbol{C} \boldsymbol{N})_{\boldsymbol{6}}\right]^{\boldsymbol{4}-} This question has multiple correct options
Q3ChemistryUnit 12: Coordination Compounds
Select the correct statements amount the following: 1. Complexes [Cu(NH3)4]2+,[MnCl4]2+,[Fe(CN)6]\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 [Cu(NH34)]2+,[Ni(CN)4]2−,[Ni(DM\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 [Fe(H2O)3]3+<\left[\boldsymbol{F e}\left(\boldsymbol{H}_{2} \boldsymbol{O}\right)_{3}\right]^{3+}< [Fe(C2O3)]3−<[Fe(CN)3]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-} 4. [Cr(en)3]3+\left[\boldsymbol{C r}(\boldsymbol{e n})_{3}\right]^{3+} exist in the three isometric forms
Q4ChemistryUnit 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) Zn2+Z n^{2+} is colourless. iii) MnCl2M n C l_{2} exhibits green color in aqueous solution. iv) Fe,Co,NiF e, C o, N i complexes are diamagnetic in nature.
Q5ChemistryUnit 12: Coordination Compounds
In nitroprusside ion, the iron and NO exist as Fe+2\mathrm{Fe}^{+2} and NO+\mathrm{NO}^{+}, instead of Fe+3\mathrm{Fe}^{+3} and NO. The given conclusion can be drawn by:
Q6ChemistryUnit 12: Coordination Compounds
In aqueous solution, [Co(H2O)6]2+(X)\left[\boldsymbol{C o}\left(\boldsymbol{H}_{2} \boldsymbol{O}\right)_{6}\right]^{2+}(\boldsymbol{X}) reacts with molecular oxygen in the presence of excess liquor NH3N H_{3} to give a new complex YY. The number of unpaired electrons in XX and YY are, respectively.

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How should I revise Colour and magnetic properties before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

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