19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Among [Ni(CO)4], [Ni(CN)4]2– and [NiCl4]2–
[Sc(H2O)6]3+ ion is
Among TiF6 2-, CoF6 3-, Cu2Cl2 and NiCl4 2- (atomic numbers of Ti = 22, Co = 27, Cu = 29, Ni = 28), the colourless species are
The pair having the same magnetic moment is: [At, No. : Cr = 24, Mn = 25, Fe = 26, Co = 27]
Which one of the following is wrongly matched?
Among [NiCO4], [Ni(CN)4]2–, [NiCl4]2– species, the hybridisation states of the Ni atom are, respectively (At. no. of Ni = 28)
The geometry of Ni (CO)4 and and Ni (P Ph3)2 Cl2 are
Choose the correct statement
The correct order of magnetic moments (spin only) values in BM) among the following is (Atomic number: Mn = 25, Fe = 26, Co = 27)
Which one of the following complex ion has the highest magnetic moment?
Among the following complexes, which has a magnetic moment 5.9 BM ? Ni(CO)4, [Fe(H2O)6]2+, [Co(NH3)6]3+, [MnBr4]2–, [Zn(NH3)4]2+
The correct order of magnetic moments (spin only values in B.M.) is
Amongst[ Ni (CO)4], [Ni (CN)4]2– and [NiCl4]2
Amongst the following, the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by
Spin only magnetic moment of the compound Hg[Co(SCN)4] is (a) (b) (c) (d)
The compound having tetrahedral geometry is
Among the following, the compound that is both paramagnetic and coloured is
[Cr(H2O)6]Cl3 (atomic number of Cr = 24) has a magnetic moment of 3.83 B.M. The correct distribution of 3d electrons in the chromium present in the complex is:
Assign the hybridization, shape and magnetic moment of K3[Cu(CN)4]:
The crystal field splitting energy for octahedral ( ) and tetrahedral ( t ) complexes is related as (a) t (b) t (c) t (d) t
The magnitude of crystal field stabilization energy in tetrahedral complexes (CFSE of t ) is considerably less than that in the octahedral field because
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)
Iron carbonyl, Fe(CO)5 is (NEET 2018)
Which one of the following ions exhibits d-d transition and paramagnetism as well? (NEET 2018) (a) 2- Cr O (b) - MnO (c) 2- CrO (d) 2- MnO