1.4A 0.96A Glycols 108.9° H H 1,2 diols (vicinal diols)are called glycols. Common names for glycols use the name of the alkene from which they were made. CH2CH2 CH2CH2CH3 OHOH OHOH ethane-1,2-diol propane-1,2-diol ethylene glycol propylene glycol Chapter 10 72Chapter 10 12 Glycols • 1, 2 diols (vicinal diols) are called glycols. • Common names for glycols use the name of the alkene from which they were made. CH2 CH2 OH OH CH2 CH2 CH3 OH OH ethane-1,2- diol ethylene glycol propane-1,2- diol propylene glycol =>