Stasch General Flashcards
what causes covalent bonds
orbital overlap
what causes ionic bonds
electrostatic attraction
electronegativity depends on _ contribution to _ orbitals
s hybrid
M-C bond polarity trends with periodic table
increases down and left
M-C bond strength trends with periodic table
decreases down
M-C mean bond energy trends with periodic table
decreases down
all organometallic compounds are __ unstable with respect to oxidation
thermodynamic
labile meaning
kinetically active - potentially pyrophoric
inert meaning
kinetically inactive - mostly airstable
inert atmosphere experiment options
schlenk line or glove box
dry solvent techniques
solvent stills // solvent purification systems
what is a solvent still
reflux pre-dried hydrocarbons and ethers over appropriate alkali metals - eg ether over LiAlH4 and other solvents over CaH2
what is a solvent purification system
solvent is passed through drying columns
