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For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities, used to determine the point at which reaction between two solutes is complete.

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Differential Thermal Analysis (DTA)

A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating/cooling a sample and comparing its temperature with that of an inert reference material under similar conditions.

Autoionization

An ionization reaction between identical molecules.

Ligand

A Lewis base in a coordination compound.

Oil

Liquid triester of glycerol and unsaturated fatty acids.

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Coordination Isomers

Isomers involving exchanges of ligands between complex cation and complex anion of the same compound.

Excited State

Any state other than the ground state of an atom or molecule.

Molarity

Number of moles of solute per litre of solution.