The Blue Bottle Experiment

2016-09-17

[public] 264K views, 6.89K likes, 60.0 dislikes audio only

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NOTE: I say and write 10mL dextrose, but i mean 10g. There is clearly a bag of solid dextrose there. I have no idea how I messed that up!

Today we are going to be playing with the redox indicator methylene blue. Instead of KOH, it can be replaced with NaOH. It just needs to be adjusted according to molar mass.

PDF on conjugation: https://people.chem.umass.edu/samal/269/color.pdf

Procedure adapted from:

https://www.flinnsci.com/media/621281/91536.pdf

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