1

An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution

polarimeter

2

A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.

protecting group

3

An equimolar mixture of the two enantiomeric isomers of a compound.

racemic mixture

4

A a term applied to an atom or molecule having one or more free valencies.

radical

5

A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.

reduction

6

The process of separation of a racemate into its two enantiomers by means of some chiral agency.

resolution

7

The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.

resonance

8

A process in which the forward reaction can reach an equilibrium with the reverse reaction.

reversible process

9

Isomers formed by restricted rotation

rotamers

10

A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.

R,S convention

11

The term given to organic molecules which contain no multiple bonds.

saturated

12

An instrument that measures the spectrum of a sample.

spectrometer

13

The sideways projection of a carbon-carbon single bond and the attached substituents.

sawhorse projection

14

An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.

spectrophotometer

15

When a complex is formed between a metal ion and an a ligand in solution, the equilibrium may be expressed by a constant which is related to the free energy change for the process

stability constant

1

An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution

polarimeter

2

A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.

protecting group

3

An equimolar mixture of the two enantiomeric isomers of a compound.

racemic mixture

4

A a term applied to an atom or molecule having one or more free valencies.

radical

5

A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.

reduction

6

The process of separation of a racemate into its two enantiomers by means of some chiral agency.

resolution

7

The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.

resonance

8

A process in which the forward reaction can reach an equilibrium with the reverse reaction.

reversible process

9

Isomers formed by restricted rotation

rotamers

10

A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.

R,S convention

11

The term given to organic molecules which contain no multiple bonds.

saturated

12

An instrument that measures the spectrum of a sample.

spectrometer

13

The sideways projection of a carbon-carbon single bond and the attached substituents.

sawhorse projection

14

An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.

spectrophotometer

15

When a complex is formed between a metal ion and an a ligand in solution, the equilibrium may be expressed by a constant which is related to the free energy change for the process

stability constant

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