Preparation of an organic liquid – practical video | 16–18 years скачать в хорошем качестве

Preparation of an organic liquid – practical video | 16–18 years

Find supporting resources including pause-and-think questions, technician notes, worksheets, and more at https://rsc.li/3E3yJF9 This video covers a wide-range of experimental techniques used to synthesise an organic liquid. All specifications aimed at learners 16–18 years (eg A-levels in England, Wales and Northern Ireland, Scottish Higher and Advanced Highers and the Republic of Ireland Leaving Certificate), include some form of synthesis of a pure organic liquid or solid. You will need to appreciate that organic synthesis can involve multiple reactions, followed by extraction and purification steps. Chapter titles 00:00 Opening titles 00:10 Introduction and overview 01:08 Preparation: combining concentrated hydrochloric acid with 2-methylpropan-2-ol 02:07 Separation: removing the aqueous layer using a separating funnel 03:10 Purification: first, sodium hydrogen carbonate solution is added to remove unreacted hydrochloric acid 04:43 Then solid anhydrous sodium sulfate (drying agent) is added to remove any trace amounts of water 05:25 Distillation separates the sample from any remaining reactant Discover videos for more core practicals for 16–18 year olds at https://rsc.li/2XfPWe5 And for 14–16 year olds at https://rsc.li/36XHfXi