further practical techniques

Question 1

filtration under reduced pressure

Answer 1

technique for seperating a solid product from a solvent or liqud

Question 2

what apparatus is needed for filtration under reduced pressure

Answer 2

buchner flask
buchner funnel
pressure tubing
filter paper
access to filter or vacuum pump

Question 3

recrystalysation

Answer 3

purification of solid product after filtration using hot solvent

Question 4

melting point determination

Answer 4

a pure organic substance usually has a very sharp melting point range of one or two degrees if 5the compound contains impurities it will have a large melting point range