19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
The oxidation number of Co in [Co(en)3]2(SO4)3 is
Spin only magnetic moment of the compound Hg[Co(SCN)4] is (a) (b) (c) (d)
Amongst the following, the lowest degree of paramagnetism per mole of the compound at 298 K will be shown by
Amongst[ Ni (CO)4], [Ni (CN)4]2– and [NiCl4]2
The oxidation number of Fe in K3[Fe(CN)5NO] is (assume NO as a neutral)
In the complex ion [Fe(H2O)5NO]2+
What is the coordination number of cobalt in [Co(NH3)6]Cl3?
The coordination number of Fe in K4[Fe(CN)6] is
The coordination number of Ag in [Ag(NH3)2]Cl is
Show the coordination number of the metal ion in complex K4[Fe(CN)6].
What is the structural formula of lithium tetra- hydridoaluminate?
The complex ion which has no d electrons in the central metal atom is
Which compound is formed when excess of KCN is added to aqueous solution of copper sulphate?
The correct order of magnetic moments (spin only values in B.M.) is
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+
Which one of the following complex ion has the highest magnetic moment?
The correct order of magnetic moments (spin only) values in BM) among the following is (Atomic number: Mn = 25, Fe = 26, Co = 27)
Among the following, the compound that is both paramagnetic and coloured is
In the complex ion [Co(NH3)6]3+, the NH3 molecules are linked to the central metal ion by
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)
Choose the correct statement
The geometry of Ni (CO)4 and and Ni (P Ph3)2 Cl2 are
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