19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following ion does not follow EAN rule?
The effective atomic number for the complex ion [Ni(CN)4]2– is
The effective atomic number for the complex ion [Pd(NH3)6]4+ is
Which of the following complex ions obeys Sidgwick‘s effective atomic number (EAN) rule?
An octahedral complex is formed when hybrid orbitals or the following type are involved
Among the following ions, which one has the highest paramagnetism?
The value of magnetic moment for a complex ion is 1.73 BM. The complex. ion is
The magnetic moment of a complex ion is 2.83 BM. The complex ion is
Which one of the following has a square planar geometry? (At. no. Co = 27, Ni = 28, Fe = 26, Pt = 78)
The hybridization states of the central atom in the complexes Fe(CN)6 3–, Fe(CN)6 4– and CO(NO2)6 3– are
The hybridization states of the central atom in the complex ions [FeF6]3–, [Fe(H2O)6]3+ and [Ni(NH3)6]2+ are
The formation of the complex ion [Co(NH3)6]3+ involves sp3d2 hybridization of Co3+. Hence, the complex ion should possess
Which of the following statements is correct?
The structures of Ni(CO)4 and Ni(PPh3)2Cl2 are
Which of the following complex ions is paramagnetic?
Which of the following complex ions is diamagnetic?
Which of the following octahedral complex ions is diamagnetic?
Which of the following is diamagnetic?
Which of the following complex ions/molecules of nickel is paramagnetic?
The compound which does not show paramagnetism is
The IUPAC name of Ba[BrF4]2 is
Which one of the following has a square planar geometry? (At. no. Co = 27, Ni = 28, Fe = 26, Pt = 78)
Which of the following compounds shows optical isomerism ?
The IUPAC name for K2[Cr(CN)2O2(O2)NH3] is
Among [NiCO)4], [NiCl4]2–, [Co(NH3)4Cl2] Cl, Na3 [CoF6], Na2O2 and CsO2, the total number of paramagnetic compounds is