Benedict's test gives a positive result with compounds that possess the aldehyde functional group and an adjacent hydroxyl group.
Objectives

1. CO 10: Identify, classify, organize, analyze and draw structures of organic molecules.
2. CO 12: Predict the physical properties of organic chemicals based on their structures.
3. CO 13: Analyze the influence of the structure and physical properties of organic molecules on their biological properties.
4. MO 1: Identify and name alcohols, ethers, thiols, aldehydes, ketones and carbohydrates.
5. MO 2: Predict physical properties and reactions of alcohols, ethers, thiols, aldehydes and ketones.

Instructions
Respond to the following: In the lab, one student stated that he observed a positive Benedict's test with his unknown organic compound. His lab partner stated that the unknown must have the ketone functional group with an adjacent hydroxyl group. Is his lab partner correct? Why or why not?

 

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