Chemistry Question Bank

Exhibits temperature dependent magnetic behaviour (paramagnetic/diamagnetic) the coordination geometries of Ni2+ in the paramagnetic and diamagnetic states are respectively

Among [NiCO)4], [NiCl4]2–, [Co(NH3)4Cl2] Cl, Na3 [CoF6], Na2O2 and CsO2, the total number of paramagnetic compounds is

Match each set of hybrid orbitals from LIST-I with complex(es) given is LIST-II LIST-I LIST-II (P) dsp2 (1) [FeF6]4– (Q) sp3 (2) [Ti(H2O)3Cl3] (R) sp3d2 (3) [Cr(NH3)6]3+ (S) d2sp3 (4) [FeCl4]2– (5) Ni(CO)4 (6) [N…

Match the list I and list II and pick the correct matching from the codes given below: List I List II (Complex) (Structure and magnetic moment) A. [Ag(NH3)2]+ 1. Square planar and 1.73 BM B. [Co(NH3)6]3+ 2. Linear and…

What is (are) number(s) of unpaired electrons in the square planar [Pt(CN)4]2– ion?

Which of the following is not considered as an organometallic compound?

Four transition metal octahedral complexes, (the choice given below) low spin electron configurations arises only for

Which of the following coordination compounds would exhibit optical isomerism?

The optically active coordination complex ion among the following is

Which of the following does not show optical isomerism? (en = ethylenediammine)

Which of the following complex species is not expected to exhibit optical isomerism?

The total number of possible isomers of the complex compound [CuII(NH3)4][PtIICl4] is

For the square planar complex [M (a) (b) (c) (d)] (where, M = central metal and a, b, c and d are monodentate ligands), the number of possible geometrical isomers are

The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH3) (NH2OH)]+ is (py = pyridine):

The IUPAC name for [Pt(py)4] [PtCl4] is

The IUPAC name for [Be4O(CH3COO)6] is

The IUPAC name for [(CO)3Fe(CO)3 Fe(CO)3] is

The IUPAC name for [(NH3)5 Cr– (OH) – Cr(NH3)5]5+ is a -hydroxo-bis (pentaammine dichromium) (5+) ion b -hydroxo-bis (decaamminedichromium) (5+) ion

Which among the following will be named as dibromidobis-(ethylenediamine) chromium (III) bromide?

Among the ligands NH3, en, CN– and CO, the correct order of their increasing field strength, is

Among the following which are ambidentate ligands? (i) - NO (ii) - NO (iii) EDTA 4– (iv) C2O4 2– (v) SCN –

The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the f…

Ammonia gas does not evolve from the complex FeCl3.4NH3 but it gives white precipitate with aqueous solution of AgNO3. Coordination number of central metal ion in the above complex is six. Give IUPAC name of the complex

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds? (NEET 2020)

What is the correct electronic configuration of the central atom in K4[Fe(CN)6] based on crystal field theory? (NEET UG 2019)