Estimation of sodium benzoate and ephedrine hydochloride
Answers
Answered by
0
It is a food preservative……it is a sodium salt of benzoic acid….the preparation of this sodium benzoate is very simple…it is a simple acid base reaction….usualy we do this while doing Qualitative analysis of organic compound ….
Benzoic acid is treated with Sodium bicarbonate or sodium hydroxide to give water soluble salt as sodium benzoate….further the solution is evapourated to get solid white crystalline sodium benzoate….
.
C6H5COOH + NaHCO3—— > C6H5COONa +CO2 + H2O……
Or
C6H5COOH + NaOH —— > C6H5COONa + H2O
Hope this might help u
Similar questions