NEET Chemistry Coordination Compounds Class 12 Questions

Which of the following complexes formed by Cu²⁺ ions is most stable?

Indicate the complex ion which shows geometrical isomerism.

The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition element, which shows highest magnetic moment.

The magnetic moment is associated with its spin angular momentum and orbital angular momentum. Spin only magnetic moment value of Cr³⁺ ion is

The correct IUPAC name of [Pt(NH₃)₂Cl₂] is

Assertion (A) : [Fe(CN)₆]³⁻ ion shows magnetic moment corresponding to two unpaired electrons. Reason (R) : Because it has d²sp³ type hybridisation.

Assertion : Co(IV) is known but Ni(IV) is not. Reason : Ni(IV) has d⁴ electronic configuration.

Weak field ligands form high spin complexes due to (where Δ₀ is crystal field splitting and P = pairing energy)

Which of the following statements is correct about [Co(H₂O)₆]²⁺ complex?

[Co(NH₃)Cl(en)]²⁺ shows two geometrical isomers cis and trans. Which of the following statements is correct?

Give reason for the statement, [Ni(CN)₄]²⁻ is diamagnetic while [NiCl₄]²⁻ is paramagnetic in nature.

In the following question, a statement of assertion is followed by a statement of reason. Mark the correct choice. Assertion: [Cu(NH₃)₄]²⁺ is coloured while [Cu(CN)₄]³⁻ is colourless. Reason: [Cu(NH₃)₄]²⁺ has dsp² hybridization.

Assertion : K₂[Ni(EDTA)] is more stable than K₃[Al(C₂O₄)₃]. Reason : Ni is a transition element while Al is a non-transition element.

Which one of the following complexes will have four isomers?

The calculated spin only magnetic moment of Cr²⁺ ion is

Match the Column I with Column II and mark the appropriate choice.

Which of the following sets of examples and geometry of the compounds is not correct?

[Co(C₂O₄)₃]³⁻ is a diamagnetic complex because

The charges x and y on the following ions are (i) [Co(NH₃)₆]Cl₃ (ii) [Fe(CN)₆]y⁻ (Oxidation state of Co is +3 and Fe is +2 in their respective complexes.)

Which of the following sets of examples and geometry of the compounds is not correct?

Which of the following statements is correct for [Mn(CN)₆]³⁻ according to valence bond theory?

The magnitude of CFSE (crystal field splitting energy, Δ₀) can be related to the configuration of d-orbitals in a coordination entity as

IUPAC name of [Pt(NH₃)₂Cl(NO₂)] is :

Match List I with List II:

Which one of the following is an ambidentate ligand?

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

The calculated 'spin-only' magnetic moment Ti²⁺ (3d²) is:

Which of the following are paramagnetic? A. [NiCl₄]²⁻ B. Ni(CO)₄ C. [Ni(CN)₄]²⁻ D. [Ni(H₂O)₆]²⁺ E. Ni(PPh₃)₄ Choose the correct answer from the options given below: (1) A and C only (2) B and E only (3) A and D only (4) A, D and E only

The correct order of the wavelength of light absorbed by the following complexes is, A. [Co(NH₃)₆]³⁺ B. [Co(CN)₆]³⁻ C. [Cu(H₂O)₄]²⁺ D. [Ti(H₂O)₆]³⁺ Choose the correct answer from the options given below:

Out of the following complex compounds, which of the compound will be having the minimum conductance in solution?

'Spin only' magnetic moment is same for which of the following ions? A. Ti³⁺ B. Cr²⁺ C. Mn²⁺ D. Fe²⁺ E. Sc³⁺ Choose the most appropriate answer from the options given below:

Match List I with List II. List I

Given below are two statements: Statement I: Both [Co(NH₃)₆]³⁺ and [CoF₆]³⁻ complexes are octahedral but differ in their magnetic behaviour. Statement II: [Co(NH₃)₆]³⁺ is diamagnetic whereas [CoF₆]³⁻ is paramagnetic. In the light of the above statements, choose the correct answer from the options given below:

Given below are two statements : Statement I : [Co(NH₃)₆]³⁺ is a homoleptic complex whereas [Co(NH₃)₄Cl₂]⁺ is a heteroleptic complex. Statement II : Complex [Co(NH₃)₆]³⁺ has only one kind of ligands but [Co(NH₃)₄Cl₂]⁺ has more than one kind of ligands. In the light of the above statements, choose the correct answer from the options given below:

Homoleptic complex from the following complexes is:

Which complex compound is most stable?

The IUPAC name of the complex-[Ag(H₂O)₂][Ag(CN)₂] is:

The order of energy absorbed which is responsible for the color of complexes (i) [Ni(H2O)2(en)2]2+ (ii) [Ni(H2O)4(en)2]2+ and (iii) [Ni(en)3]2+

Ethylene diaminetetraacetate (EDTA) ion is:

Match List - I with List - II.

The calculated spin only magnetic moment of Cr²⁺ ion is :

Urea reacts with water to form A which will decompose to form B. B when passed through Cu²⁺ (aq), deep blue colour solution C is formed. What is the formula of C from the following ?

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

Identify the incorrect statement.

What is the CORRECT electronic configuration of the central atom in K₄[Fe(CN)₆] based on crystal field theory?

Which of the following species is NOT stable?

Match the metal ions given in column I with the spin magnetic moments of the ions given in column II and assign the CORRECT code.

Iron carbonyl, Fe(CO)₅ is

The geometry and magnetic behaviour of the complex [Ni(CO)₄] are

The CORRECT order of the stoichiometries of AgCl formed when AgNO₃ in excess is treated with the complex: CoCl₃.6NH₃, CoCl₃.5NH₃, CoCl₃.4NH₃, respectively is ________.