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Practice problem

Hydrogen Bonds — Overview & Examples

By Jasper Brown
The structure of silica gel. A network of silicon alternating with oxygen, with OH groups capping the edge

Column chromatography performed with a silica gel (shown above) stationary phase is a common purification technique used in labs. It is able to separate molecules based on their polarity through hydrogen bonding. The more polar a molecule, the longer it stays in the column. Based on this, which molecule would leave the column first

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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