Transition Metals and Coordination Chemistry

This set of flashcards covers major concepts related to transition metals and coordination chemistry as discussed in the lecture notes.

The coordination number of the central metal ion or atom is the number of __ bonded to it.

donor atoms (coordination bonds)

In an octahedral field, the energy gap between d orbitals is referred to as __.

D, the crystal field splitting energy

Ligands are considered __ in a coordination complex.

Lewis bases

Polarized ligands can impact the __ of a transition metal complex.

color

A complex with six ligands typically has a __ geometry.

octahedral

The __ effect refers to the increased stability of complexes formed by chelating agents compared to monodentate ligands.

chelate

The strong field ligand __ typically causes the splitting of d orbitals to increase.

CN-

In the spectrochemical series, the ligand __ is positioned before NH3.

H2O

Electron configurations for transition metals show that s electrons are lost __ d electrons when forming positive ions.

before

Complexes are formed by interactions between a metal and __.

ligands

When a transition metal complex has unpaired electrons, it is classified as __.

paramagnetic

The presence or absence of __ electrons determines whether a substance is paramagnetic or diamagnetic.

unpaired

The __ phenomenon explains why certain transition metal complexes exhibit color.

d-d transition

Monodentate ligands bind through __ donor atom only.

one

The optical isomers of a chiral complex cannot be __ on top of each other.

superimposed

Structural isomers possess different __ of atoms compared to each other.

connectivity