Chromatography 2

Question 1

what if the dot doesnt move on chromatogram?

Answer 1

its insoluble in mobile phase -change the solvent to ethanol etc.

Question 2

solvent front?

Answer 2

the furthest point reached by solvent on chromatography

Question 3

if something is pure it won’t be separated by it
instead move as _________
mixture shud give______blobs

Answer 3

one blob give only one spot

multiple blobs

Question 4

How cud you use Rf value to identify a substance?

Answer 4

Compare Rf values of diff spots on chromatogram produced with refernce values to work out what dyes r present in ink