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Coordination Compounds — JEE Main & Advanced Chemistry PYQs

715 previous year questions from Coordination Compounds with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

715 questionsChemistrySolutions on every page
1

Reaction of PtF ₆ with oxygen ( O ₂ ) gas results in the formation of an ionic compound, X ^+ Y ^- . Correct statement(s) is(are)

JEE Advanced 2026 Solution View → 2

The total number of all possible isomers for the square planar complex with formula K [ M(NCS)(NO ₂ )(gly) ] is ____. ( M = metal ion and gly = NH ₂ CH ₂ COO ^- )

JEE Advanced 2026 Solution View → 3

Consider that the coordinating atoms of the ligands in cis -[Co(NH₃ )₄ Cl₂ ]Cl and mer -[Co(NH₃ )₃ Cl₃ ] octahedral complexes are at the vertices of an octahedron. The sum of total

JEE Advanced 2026 Solution View → 4

Number of paramagnetic complexes among the following is ________. [ MnBr ₄]²⁻ , [ NiCl ₄]²⁻ , [ Ni(CN) ₄]²⁻ , [ Ni(CO) ₄] , [ CoF ₆]³⁻ , [ Fe(CN) ₆]⁴⁻ , [ Mn(CN) ₆]³⁻ , [ Ti(CN) ₆]

JEE Main 2026 Solution View → 5

Which of the following sequences of hybridisation, geometry and magnetic nature are correct for the given coordination compounds ? A. [ NiCl ₄]²⁻- sp ^3 , tetrahedral, paramagnetic

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An excess of AgNO₃ is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be __________ 10⁻³ . (Neares

JEE Main 2026 Solution View → 7

Match the List-I with List-II List-I Electronic configuration of tetrahedral metal ion List-II Crystal Field Stabilization Energy ( _t ) A. d^2 I. -0.6 B. d^4 II. -0.8 C. d^6 III.

JEE Main 2026 Solution View → 8

Which of the following are true about the energy of the given d-orbitals of a tetrahedral complex? A. d_ xy = d_ xz > d_ x^2-y^2 B. d_ xy = d_ yz > d_ z^2 C. d_ x^2-y^2 > d_ z^2 >

JEE Main 2026 Solution View → 9

Identify the correct statements from the following A. [Fe(C₂O₄)₃]³⁻ is the most stable complex among [Fe(OH)₆]³⁻ , [Fe(C₂O₄)₃]³⁻ and [Fe(SCN)₆]³⁻ B. The stability of [Cu(NH₃)₄]²⁺ i

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The total number of unpaired electrons present in the d^3 , d^4 (low spin), d^5 (high spin), d^6 (high spin) and d^7 (low spin) octahedral complex systems is _______.

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The correct statements about metal carbonyls are A. The metal-carbon bonds in metal carbonyls possess both and -character. B. Due to synergic bonding interactions between metal and

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Given below are two statements: Statement I: Each electron in e_g orbitals destabilizes the orbitals by +0.6 _o and each electron in the t_ 2g orbitals stabilizes the orbitals by -

JEE Main 2026 Solution View → 13

Consider the metal complexes [Ni(en)₃]²⁺ (A), [NiCl₄]²⁻ (B) and [Ni(NH₃)₆]²⁺ (C). Choose the CORRECT option by considering the number of unpaired electrons present in (A), (B) and

JEE Main 2026 Solution View → 14

Match the List-I with List-II List-I Complex ion List-II Calculated spin only magnetic moment (BM) A. [Cr(H₂O)₆]²⁺ I. 3.87 B. [Co(H₂O)₆]²⁺ II. 5.92 C. [Cu(H₂O)₆]²⁺ III. 4.90 D. [Mn

JEE Main 2026 Solution View → 15

Which of the following complexes will show coordination isomerism? A. [Ag(NH₃)₂][Ag(CN)₂] B. [Co(NH₃)₆][Cr(CN)₆] C. [Co(NH₃)₆][Co(CN)₆] D. [Fe(NH₃)₆][Co(CN)₆] E. [Co(NH₃)₆][Fe(CN)₆

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Match List - I with List - II. List - I Chromium (III) Complexes (en = ethylene diamine) List - II ₀ (cm ⁻¹ ) A. [Cr(CN)₆]³⁻ I. 15,060 B. [CrF₆]³⁻ II. 17,400 C. [Cr(H₂O)₆]³⁺ III. 2

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5.33 g of CrCl₃ 6H₂O , which is a 1 : 3 electrolyte, is dissolved in water and is passed through a cation exchanger. The chloride ions in the eluted solution, on treatment with AgN

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The correct increasing order of spin-only magnetic moment values of the complex ions [ MnBr ₄ ]²⁻( A ), [ Cu ( H ₂ O )₆ ]²⁺( B ), [ Ni ( CN )₄ ]²⁻( C ) and [ Ni ( H ₂ O )₆ ]²⁺( D )

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The number of isoelectronic species among Sc ³⁺, Cr ²⁺, Mn ³⁺, Co ³⁺ and Fe ³⁺ is ' n ^ . If ' n ^ moles of AgCl is formed during the reaction of complex with formula CoCl ₃( en )₂

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The correct statement among the following is:

JEE Main 2026 Solution View → 21

X is the number of geometrical isomers exhibited by [ Pt ( NH ₃ ) ( H ₂ O ) BrCl ] . Y is the number of optically inactive isomer(s) exhibited by [ CrCl ₂( ox )₂ ]³⁻ Z is the numbe

JEE Main 2026 Solution View → 22

The wavelength of light absorbed for the following complexes are in the order ( (I) [ Co ( NH ₃ )₆ ]³⁺ ; (II) [ Co ( H ₂ O )₆ ]³⁺ ; (III) [ Co ( CN )₆ ]³⁻ ; (IV) [ Co ( NH ₃ )₅ ( H

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A chromium complex with a formula CrCl ₃ 6 H ₂ O has a spin only magnetic moment value of 3.87 BM and its solution conductivity corresponds to 1: 2 electrolyte. 2.75 g of the compl

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Given below are two statements: Statement I : Hybridisation, shape and spin only magnetic moment of K ₃ [ Co ( CO ₃ )₃ ] is sp ³ ~d ² , octahedral and 4.9 BM respectively. Statemen

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Given below are two statements: Statement I : The number of paramagnetic species among [ CoF ₆ ]³⁻, [ TiF ₆ ]³⁻ , V ₂ O ₅ and [ Fe ( CN )₆ ]³⁻ is 3. Statement II : K ₄ [ Fe ( CN )₆

JEE Main 2026 Solution View → 26

Consider a mixture ' X ' which is made by dissolving 0.4 mol of [ Co ( NH ₃ )₅ SO ₄ ] Br and 0.4 mol of [ Co ( NH ₃ )₅ Br ] SO ₄ in water to make 4 L of solution. When 2 L of mixtu

JEE Main 2026 Solution View → 27

Identify the CORRECT set of details from the following: A. [ Co ( NH ₃ )₆ ]³⁺ : Inner orbital complex; d ² sp ³ hybridized B. [ MnCl ₆ ]³⁻ : Outer orbital complex; sp ³ ~d ² hybrid

JEE Main 2026 Solution View → 28

Total number of unpaired electrons present in the central metal atoms/ions of [ Ni ( CO )₄ ], [ NiCl ₄ ]²⁻, [ PtCl ₂ ( NH ₃ )₂ ], [ Ni ( CN )₄ ]²⁻ and [ Pt ( CN )₄ ]²⁻ is _ _ _ _ .

JEE Main 2026 Solution View → 29

Given below are two statements : Statement I : [ CoBr ₄ ]²⁻ ion will absorb light of lower energy than [ CoCl ₄ ]²⁻ ion. Statement II : In [ CoI ₄ ]²⁻ ion, the energy separation be

JEE Main 2026 Solution View → 30

The statements that are incorrect about the nickel(II) complex of dimethylglyoxime are : A. It is red in colour. B. It has a high solubility in water at pH =9 . C. The Ni ion has t

JEE Main 2026 Solution View → 31

The crystal field splitting energy of [ Co ( oxalate )₃ ]³⁻ complex is ' n ^ times that of the [ Cr ( oxalate )₃ ]³⁻ complex. Here ' n ^ is _ _ _ _ . (Assume ₀ P )

JEE Main 2026 Solution View → 32

[ Ni ( PPh ₃ )₂ Cl ₂ ] is a paramagnetic complex. Identify the INCORRECT statements about this complex. A. The complex exhibits geometrical isomerism. B. The complex is white in co

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Consider the transition metal ions Mn ³⁺, Cr ³⁺, Fe ³⁺ and Co ³⁺ and all form low spin octahedral complexes. The correct decreasing order of unpaired electrons in their respective

JEE Main 2026 Solution View → 34

Given below are two statements : Statement I : Crystal Field Stabilization Energy (CFSE) of [ Cr ( H ₂ O )₆ ]²⁺ is greater than that of [ Mn ( H ₂ O )₆ ]²⁺ . Statement II : Potassi

JEE Main 2026 Solution View → 35

Identify the metal ions among Co ²⁺, Ni ²⁺, Fe ²⁺, V ³⁺ and Ti ²⁺ having a spin-only magnetic moment value more than 3.0 BM. The sum of unpaired electrons present in the high spin

JEE Main 2026 Solution View → 36

Given below are two statements : Statement I : Among . [ Cu ( NH ₃ )₄ ]²⁺, [ Ni ( en )₃ ) ]²⁺, [ Ni ( NH ₃ )₆ ]²⁺ and [ Mn ( H ₂ O )₆ ]²⁺ , [ Mn ( H ₂ O )₆ ]²⁺ has the maximum numb

JEE Main 2026 Solution View → 37

The correct order of the wavelength maxima of the absorption band in the ultraviolet-visible region for the given complexes is

JEE Advanced 2025 Solution View → 38

The sum of the spin only magnetic moment values (in B.M.) of [ Mn ( Br )₆ ]³⁻ and [ Mn ( CN )₆ ]³⁻ is _____.

JEE Advanced 2025 Solution View → 39

Given below are two statements : Statement I : A homolepitc octahedral complex, formed using monodentate ligands, will not show stereoisomerism. Statement II : cis- and trans- plat

JEE Main 2025 Solution View → 40

Match the List-I with List-II array |l|l|c|l| & array c List-I (Complex/ Species) array & & array c List-II (Shape & magnetic moment) array A. & [ Ni ( CO )₄ ] & I. & Tetrahedral,

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Match List-I with List-II Choose the correct answer from the options given below :

JEE Main 2025 Solution View → 42

The number of unpaired electrons responsible for the paramagnetic nature of the following complex species are respectively: [ Fe ( CN )₆ ]³⁻, [ FeF ₆ ]³⁻, [ CoF ₆ ]³⁻, [ Mn ( CN )₆

JEE Main 2025 Solution View → 43

The number of paramagnetic metal complex species among [ Co ( NH ₃ )₆ ]³⁺, [ Co ( C ₂ O ₄ )₃ ]³⁻ , [ MnCl ₆ ]³⁻, [ Mn ( CN )₆ ]³⁻, [ CoF ₆ ]³⁻, [ Fe ( CN )₆ ]^ 3³⁻ and [ FeF ₆ ]³⁻

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An octahedral complex having molecular composition Co. 5 NH ₃. Cl . SO ₄ has two isomers A and B. The solution of A gives a white precipitate with AgNO ₃ solution and the solution

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The number of paramagnetic complex among [ FeF ₆ ]³⁻, [ Fe ( CN )₆ ]³⁻, [ Mn ( CN )₆ ]³⁻, [ Co ( C ₂ O ₄ )₃ ]³⁻ , [ MnCl ₆ ]³⁻ and [ CoF ₆ ]³⁻ , which involved d ^2 sp ^3 hybridiza

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The correct order of [ FeF ₆ ]³⁻, [ CoF ₆ ]³⁻, [ Ni ( CO )₄ ] and [ Ni ( CN )₄ ]²⁻ complex species based on the number of unpaired electrons present is :

JEE Main 2025 Solution View → 47

' X ' is the number of electrons in t_ 2 g orbitals of the most stable complex ion among [ Fe ( NH ₃ )₆ ]³⁺ , [ Fe ( Cl ₆ ) ]³⁻, [ Fe ( C ₂ O ₄ )₃ ]³⁻ and [ Fe ( H ₂ O )₆ ]³⁺ . The

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Number of stereoisomers possible for the complexes, [ CrCl ₃( py )₃ ] and [ CrCl ₂( ox )₂ ]³⁻ are respectively ( py = pyridine, ox = oxalate)

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Which one of the following complexes will have ₀=0 and =5.96 B.M.?

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Identify the diamagnetic octahedral complex ions from below ; A. [ Mn ( CN )₆ ]³⁻ B. [ Co ( NH ₃ )₆ ]³⁺ C. [ Fe ( CN )₆ ]⁴⁻ D. [ Co ( H ₂ O )₃ ~F ₃ ] Choose the correct answer from

JEE Main 2025 Solution View → 51

The number of optical isomers exhibited by the iron complex (A) obtained from the following reaction is ________ FeCl ₃+ KOH + H ₂ C ₂ O ₄ ~A

JEE Main 2025 Solution View → 52

Match the List-I with List-II Choose the correct answer from the options given below :

JEE Main 2025 Solution View → 53

The correct order of the complexes [ Co ( NH ₃ )₅ ( H ₂ O ) ]³⁺ (A), [ Co ( NH ₃ )₆ ]³⁺ (B), [ Co ( CN )₆ ]³⁻( C ) and [ CoCl ( NH ₃ )₅ ]²⁺( D ) in terms wavelength of light absorb

JEE Main 2025 Solution View → 54

The d-orbital electronic configuration of the complex among [ Co ( en )₃ ]³⁺, [ CoF ₆ ]³⁻ , [ Mn ( H ₂ O )₆ ]²⁺ and [ Zn ( H ₂ O )₆ ]²⁺ that has the highest CFSE is :

JEE Main 2025 Solution View → 55

The type of hybridization and the magnetic property of [ MnCl ₆ ]³⁻ are :

JEE Main 2025 Solution View → 56

The spin-only magnetic moment value of M ^ n+- ion formed among Ni , Zn Mn and Cu that has the least enthalpy of atomisation is ________. (in nearest integer) Here n is equal to th

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Given below are two statements : Statement (I) : In octahedral complexes, when ( _ o P ) high spin complexes are formed. When ( _ o P ) low spin complexes are formed. Statement (II

JEE Main 2025 Solution View → 58

A transition metal (( M ) ) among ( Mn , Cr , Co ) and Fe has the highest standard electrode potential ( ( M ³⁺ / M ²⁺ ) ). It forms a metal complex of the type ( [ M ( CN )₆ ]⁴⁻ )

JEE Main 2025 Solution View → 59

Identify the homoleptic complexes with odd number of d electrons in the central metal : (A) [ FeO ₄ ]²⁻ (B) [ Fe ( CN )₆ ]³⁻ (C) [ Fe ( CN )₅ NO ]²⁻ (D) [ CoCl ₄ ]²⁻ (E) [ Co ( H ₂

JEE Main 2025 Solution View → 60

Consider the following low-spin complexes K ₃ [ Co ( NO ₂ )₆ ], K ₄ [ Fe ( CN )₆ ] , K ₃ [ Fe ( CN )₆ ], Cu u₂ [ Fe ( CN )₆ ] and Zn ₂ [ Fe ( CN )₆ ] The sum of the spin-only magne

JEE Main 2025 Solution View → 61

Match List - I with List - II. ( array ll & List - I & & List - II & (Complex) & & (Hybridisation & Magnetic characters) (A) & [ MnBr ₄ ]²⁻ & (I) & d^2 s^3 & diamagnetic (B) & [ Fe

JEE Main 2025 Solution View → 62

The correct increasing order of stability of the complexes based on ( _ o ) value is : I. ( [ Mn ( CN )₆ ]³⁻ ) II. ( [ Co ( CN )₆ ]⁴⁻ ) III. ( [ Fe ( CN )₆ ]⁴⁻ ) IV. ( [ Fe ( CN )₆

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Match List - I with List - II. Choose the correct answer from the options given below :

JEE Main 2025 Solution View → 64

The metal ion whose electronic configuration is not affected by the nature of the ligand and which gives a violet colour in non-luminous flame under hot condition in borax bead tes

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Match List - I with List - II. Choose the correct answer from the options given below :

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When Ethane-1,2-diamine is added progressively to an aqueous solution of Nickel (II) chloride, the sequence of colour change observed will be :

JEE Main 2025 Solution View → 67

The conditions and consequence that favours the t_ 2 g ^3 e_g^1 configuration in a metal complex are

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One mole of the octahedral complex compound Co ( NH ₃ )₅ Cl ₃ gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with excess of AgNO ₃ solution to y

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Identify the coordination complexes in which the central metal ion has d^4 configuration. Choose the correct answer from the options given below :

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The complex that shows Facial - Meridional isomerism is:

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CrCl ₃ xNH ₃ can exist as a complex. 0.1 molal aqueous solution of this complex shows a depression in freezing point of 0.558^ C . Assuming 100 % ionisation of this complex and coo

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The d- electronic configuration of an octahedral Co(II) complex having magnetic moment of 3.95 BM is:

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The correct order of the following complexes in terms of their crystal field stabilization energies is :

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Identify the homoleptic complex(es) that is/are low spin. (A) [ Fe ( CN )₅ NO ]²⁻ (B) [ CoF ₆ ]³⁻ (C) [ Fe ( CN )₆ ]⁴⁻ (D) [ Co ( NH ₃ )₆ ]³⁺ (E) [ Cr ( H ₂ O )₆ ]²⁺ Choose the cor

JEE Main 2025 Solution View → 75

The complex of Ni ²⁺ ion and dimethyl glyoxime contains ________ number of Hydrogen ( H ) atoms.

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In which of the following complexes the CFSE, _ o will be equal to zero?

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From the magnetic behaviour of [ NiCl ₄ ]²⁻ (paramagnetic) and [ Ni ( CO )₄ ] (diamagnetic), choose the correct geometry and oxidation state.

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Among [ Co ( CN )₄ ]⁴⁻, [ Co ( CO )₃( NO ) ], XeF ₄, [ PCl ₄ ]⁺, [ PdCl ₄ ]²⁻, [ ICl ₄ ]⁻, [ Cu ( CN )₄ ]³⁻ and P ₄ the total number of species with tetrahedral geometry is _______

JEE Advanced 2024 Solution View → 79

Among the following options, select the option in which each complex in Set-I shows geometrical isomerism and the two complexes in Set-II are ionization isomers of each other. [en

JEE Advanced 2024 Solution View → 80

Among V ( CO )₆, Cr ( CO )₅, Cu ( CO )₃, Mn ( CO )₅, Fe ( CO )₅, [ Co ( CO )₃ ]³⁻, [ Cr ( CO )₄ ]⁴⁻ , and Ir ( CO )₃ , the total number of species isoelectronic with Ni ( CO )₄ is

JEE Advanced 2024 Solution View → 81

Among the following complexes, the total number of diamagnetic species is_____ [ Mn ( NH ₃ )₆ ]³⁺, [ MnCl ₆ ]³⁻, [ FeF ₆ ]³⁻, [ CoF ₆ ]³⁻, [ Fe ( NH ₃ )₆ ]³⁺ , and [ Co ( en )₃ ]³⁺

JEE Advanced 2024 Solution View → 82

Match List I with List II ( array |l|l|l|l| & List - I & & List - II A. & K ₂ [ Ni ( CN )₄ ] & I. & sp ^3 B. & [ Ni ( CO )₄ ] & II. & sp ^3 ~d ^2 C. & [ Co ( NH ₃ )₆ ] Cl ₃ & III.

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The coordination environment of ( Ca ²⁺ ) ion in its complex with ( EDTA ⁴⁻ ) is :

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The ( F ⁻ )ions make the enamel on teeth much harder by converting hydroxyapatite (the enamel on the surface of teeth) into much harder fluoroapatite having the formula.

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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The total number of geometrical isomers shown by ( [ Co (

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Number of ambidentate ligands among the following is ______ ( NO ₂⁻, SCN ⁻, C ₂ O ₄²⁻, NH ₃, CN ⁻, SO ₄²⁻, H ₂ O ).

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Match List - I with List - II. ( array lll array l List - I (Complex ion) array & array l List - II (Spin only magnetic moment in B.M.) array (A) [ Cr ( NH ₃ )₆ ]³⁺ & (I) 4.90 (B)

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Total number of unpaired electrons in the complex ions ( [ Co ( NH ₃ )₆ ]³⁺ ) and ( [ NiCl ₄ ]²⁻ ) is ( )

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Number of Complexes with even number of electrons in (t_ 2 g ) orbitals is - ( [ Fe ( H ₂ O )₆ ]²⁺, [ Co ( H ₂ O )₆ ]²⁺, [ Co ( H ₂ O )₆ ]³⁺, [ Cu ( H ₂ O )₆ ]²⁺, [ Cr ( H ₂ O )₆ ]

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An octahedral complex with the formula ( CoCl ₃ nNH ₃ ) upon reaction with excess of ( AgNO ₃ ) solution gives 2 moles of ( AgCl ). Consider the oxidation state of ( Co ) in the co

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The correct IUPAC name of ( [ PtBr ₂ ( PMe ₃ )₂ ] ) is :

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Given below are two statements : Statement I : ( PF ₅ ) and ( BrF ₅ ) both exhibit ( sp ^3 ~d ) hybridisation. Statement II : Both ( SF ₆ ) and ( [ Co ( NH ₃ )₆ ]³⁺ ) exhibit ( sp

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Match List - I with List - II. ( array ll List - I & List - II Reaction & Type of redox reaction (A) TiCl ₄ & (I) e ^2, t ₂^0 (B) [ FeO ₄ ]²⁻ & (II) e^4, t₂^3 (C) [ FeCl ₄ ]⁻ & (II

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Match List I with List II ( array |l|l|l|l| & List - I & & List - II & (Compound) & & (Uses) A. & Iodoform & I. & Fire extinguisher B. & Carbon tetrachloride & II. & Insecticide C.

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he following complexes ( (A) [ CoCl ( NH ₃ )₅ ]²⁺ , (B) [ Co ( CN )₆ ]³⁻ , (C) [ Co ( NH ₃ )₅ ( H ₂ O ) ]³⁺ , (D) [ Cu ( H ₂ O )₄ ]²⁺ ) The correct order of A, B, C and D in terms

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The number of complexes from the following with no electrons in the (t₂ ) orbital is ( ) ( TiCl ₄, [ MnO ₄ ]⁻, [ FeO ₄ ]²⁻, [ FeCl ₄ ]⁻, [ CoCl ₄ ]²⁻ )

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The metal atom present in the complex MABXL (where A, B, X and L are unidentate ligands and ( M ) is metal) involves ( sp ^3 ) hybridization. The number of geometrical isomers exhi

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Which one of the following complexes will exhibit the least paramagnetic behaviour? [Atomic number, ( Cr =24, Mn =25, Fe =26, Co =27 ) ]

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The correct order of ligands arranged in increasing field strength.

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If an iron (III) complex with the formula ( [ Fe ( NH ₃ )_x( CN )_y ]⁻ )has no electron in its (e_g ) orbital, then the value of (x+y ) is

JEE Main 2024 Solution View → 101

The number of unpaired d-electrons in ( [ Co ( H ₂ O )₆ ]³⁺ ) is

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Number of complexes from the following with even number of unpaired " ( d ) " electrons is ( ) ( [ V ( H ₂ O )₆ ]³⁺, [ Cr ( H ₂ O )₆ ]²⁺, [ Fe ( H ₂ O )₆ ]³⁺, [ Ni ( H ₂ O )₆ ]³⁺,

JEE Main 2024 Solution View → 103

The correct sequence of ligands in the order of decreasing field strength is :

JEE Main 2024 Solution View → 104

Given below are two statements : Statement (I) : Dimethyl glyoxime forms a six membered covalent chelate when treated with NiCl 2 solution in presence of NH 4 OH . Statement (II) :

JEE Main 2024 Solution View → 105

Co NH 3 6 3 + and CoF 6 3 - are respectively known as:

JEE Main 2024 Solution View → 106

Which of the following complex is homoleptic?

JEE Main 2024 Solution View → 107

Given below are two statements: Statement (I): A solution of Ni H 2 O 6 2 + is green in colour. Statement (II): A solution of Ni ( CN ) 4 2 - is colourless. In the light of the abo

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Select the option with correct property:

JEE Main 2024 Solution View → 109

Match List I with List II LIST – I (Complex ion) LIST – II (Electronic Configuration A. C r H 2 O 6 3 + I. t 2 g 2 e g 0 B. F e H 2 O 6 3 + II. t 2 g 3 e g 0 C. N i H 2 O 6 2 + III

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The correct statements from the following are: A. The strength of anionic ligands can be explained by crystal field theory. B. Valence bond theory does not give a quantitative inte

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The molecule/ion with square pyramidal shape is:

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Number of complexes which show optical isomerism among the following is _________. cis - Cr ( ox ) 2 Cl 2 3 - , Co ( en ) 3 3 + , cis - Pt ( en ) 2 Cl 2 2 + , cis - Co ( en ) 2 Cl

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The coordination geometry around the manganese in decacarbonyldimanganese 0

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Choose the correct Statements from the following: (A) Ethane - 1 , 2 - diamine is a chelating ligand. (B) Metallic aluminium is produced by electrolysis of aluminium oxide in prese

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Aluminium chloride in acidified aqueous solution forms an ion having geometry

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The correct IUPAC name of K 2 MnO 4 is:

JEE Main 2024 Solution View → 117

In which one of the following metal carbonyls, CO forms a bridge between metal atoms?

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Identity the incorrect pair from the following:

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Identify from the following species in which d 2 sp 3 hybridization is shown by central atom:

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The Spin only magnetic moment value of square planar complex Pt NH 3 2 Cl NH 2 CH 3 Cl is _______ B.M. (Nearest integer) ( Given atomic number for Pt = 78 )

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