4) Match the functional group represented in the following compounds a) CHÍCH:CH-O-CH;CHs A. Alcohol B. Aldehyde b) CH₂CH₂-OH C. Amide c) CH₂CH₂C-O H O d) CHICCH₂CH₂ c) CH₂C-O-CH₂CH₂ O f) CH₂CH₂CH₂C-NH₂ g) CH₂CH₂C-O OH h) CHỊCH NH D. Amine E. Carboxylic Acid F. Ether G. Ester H. Ketone

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A:

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Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.