Chemistry Blog

Tag Archive: potassium permanganate

Feb 17

Chemistry Lab Demonstrations: Upsidedown Thunderstorm


*For more cool stories, pictures, and videos of chemistry demonstrations, click here* SN2 lab today.  Preparation of (2-methylphenoxy)acetic acid from o-cresol and sodium chloroacetate.  NaOH deprotonates cresol.  Add sodium chloroacetate and reflux.  SN2 reaction occurs.  Acidify, collect the precipitate, and recrystallize from water.  Unfortunately, today’s lab took a really long time.  I’m not sure why, …

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