definitions Flashcards
1
Q
nucleophilic substitution
A
a reaction in which an electron pair donor attacks an electrophilic stomach (an atom with a partial or full positive charge) to replace an atom/ group of atoms
2
Q
reflux
A
the continual boiling and condensing of a reaction mixture, thus is to ensure that the reaction goes to completion. during reflux, the condenser must be positioned vertically
3
Q
fragmentation
A
during mass spectrometry, unstable molecular ions break down into smaller fragments
4
Q
m+1 peak
A
a small peak on a mass spectrum caused by the presence of a small proportion of carbon-13
5
Q
stereoisomers
A
compounds with the same structural formula but a different arrangement of atoms in space