Chemistry Question Bank

Which of the following complex ions obeys Sidgwick‘s effective atomic number (EAN) rule?

The compound having tetrahedral geometry is

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 neutral molecules or ions which coordinate with the central atom or ion in a complex ion are called

A ligand can also be regarded as

Which of the following is a bidentate ligand?

The ligand N(CH2CH2NH2)3 is

Which of the following is a coordination compound?

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 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?

Which one of the following is tridentate ligand? (a) - NO

Which of the following is a hexadentate ligand?

[EDTA]4– has coordination number

The correct order of magnetic moments (spin only) values in BM) among the following is (Atomic number: Mn = 25, Fe = 26, Co = 27)

Choose the correct statement

The geometry of Ni (CO)4 and and Ni (P Ph3)2 Cl2 are