M.Sc. Chemistry Semester II Quiz

A method used to study the electronic transitions within transition metal complexes. It involves analyzing the absorption and emission of light in the visible and ultraviolet regions of the electromagnetic spectrum.

Diagrams used to visualize the energy levels of d-orbitals in transition metal complexes. They help predict the electronic transitions observed in the spectra.

A measure of the energy difference between the ground state and the first excited state of a transition metal complex. It is a key parameter in electronic spectral studies.

A measure of the strength of the ligand field surrounding a metal ion. It reflects the extent to which ligands influence the energy levels of the d-orbitals.

Specific rules that determine which electronic transitions are allowed or forbidden in electronic spectroscopy. They help predict the observed spectral bands.

A type of electronic transition where an electron moves from a metal-centered d-orbital to a ligand-centered orbital. It often occurs in the ultraviolet region of the spectrum.

Compounds that contain metal atoms bonded to CO (carbon monoxide) molecules.

Complexes that involve ligands with π-acceptor orbitals, such as carbon monoxide, nitrogen, and phosphines.

The study of reaction rates, mechanisms, and factors that influence them.

A set of steps that a reaction takes to proceed from reactants to products.

A model that explains reaction rates based on collisions between molecules with sufficient energy.

The minimum energy required for molecules to react, forming an unstable intermediate.

A hypothetical species formed during a reaction, with an unstable intermediate state.

A mathematical equation that relates reaction rate to temperature and activation energy.

The effect of a reaction rate caused by the presence of ions in solution.

A technique used to study fast reactions by quickly mixing reactants and observing changes.

A technique used to measure the electrical potential difference between two electrodes in a solution, providing information about the concentration of ions or the activity of a specific ion.

A specific type of potentiometry that focuses on measuring the hydrogen ion concentration (pH) of a solution.

The change in the electromotive force (EMF) of a cell as the temperature changes.

A measure of the tendency of a metal ion to form a complex with a ligand. It tells us how strongly the metal ion binds to the ligand.

The study of the refractive index of a substance, which is a measure of how light bends when passing through it.

A nucleus with a non-zero spin value that has an asymmetric charge distribution, resulting in a non-spherical shape.

A measure of the deviation of a nucleus's charge distribution from a perfect sphere.

The distribution of electric fields around a nucleus. It's influenced by nearby charges and molecular structure.

A measure of the interaction strength between the quadrupole moment of a nucleus and the electric field gradient. It reflects the coupling between the nucleus and its environment.

The splitting of energy levels due to the interaction between a quadrupole nucleus and the electric field gradient.

A spectroscopic technique that uses radiofrequency waves to study the interaction between quadrupole nuclei and electric field gradients.

A type of spectroscopy that uses the absorption of microwave radiation to study the interaction of unpaired electron spins with an external magnetic field.

A measure of the magnetic field strength required to resonate a specific electron spin in ESR spectroscopy. It depends on the electron's environment.

A method that separates, identifies, and determines the amounts of cations and anions in a mixture using a column packed with a stationary phase. The separation is based on the different affinities of ions to the stationary phase.

A type of column chromatography where the stationary phase is an ion exchange resin, which contains charged groups that can bind to ions in the sample.

A chemical process involving the formation of new chemical bonds to create a complex molecule. It often involves reacting specific reactants under controlled conditions to obtain desired products.

A named reaction that involves the conversion of an aromatic diazonium salt to an aryl halide using copper salts. This reaction is useful for synthesizing a variety of substituted aromatic compounds.

A named reaction that involves the disproportionation of an aldehyde with no α-hydrogen into an alcohol and a carboxylic acid. This reaction requires a strong base.

A named reaction that involves the reaction of a conjugated diene with a dienophile to form a cyclic adduct. This reaction is useful for synthesizing six-membered rings.

A named reaction involving the formation of a carbon-carbon double bond by the condensation of an aldehyde or ketone with an active methylene compound. This reaction uses a base catalyst.

A procedure used to determine the amount of hydroxyl groups present in an organic compound by reacting it with an excess of acetic anhydride, followed by titration with a standard base.