What reaction can be carried out for the qualitative determination of the polyhydric alcohol of glycerin? Indicate signs of reaction.

For the qualitative determination of polyhydric alcohols, such as glycerin, a reaction with freshly precipitated copper (II) hydroxide is used: a clear, bright blue solution is formed.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.